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Tytuł:
Serodiagnosis of Toxoplasmosis using Lateral Flow Chromatographic Immunoassay among Animals and Humans in Sunsari District of Nepal
Autorzy:
Sah, Ramesh Prasad
Talukder, Md Hasanuzzaman
Rahman, A. K. M. Anisur
Powiązania:
https://bibliotekanauki.pl/articles/1167051.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Animals
Nepal
human
seroprevalence
toxoplasmosis
Opis:
Toxoplasmosis is a cosmopolitan parasitic zoonosis, infecting human and other warm blooded animals worldwide. This disease has economic importance in regard to animal reproduction, and it leads to abortions and neonatal complications in humans. This study was carried out to determine the seroprevalence of Toxoplasma gondii in sheep, cattle, cats and human in Inaruwa and surrounding areas of Sunsari district, Nepal. Altogether 336 blood samples, of which 50 from sheep, 92 from cattle, 44 from cats and 150 from human were collected and tested immediately using lateral flow chromatographic immunoassay (Toxo IgG/IgM Combo Rapid test®). Associated biometric information such as age, sex, pregnancy status, occupation, association with cat was recorded and analyzed to determine the association of risk factors with the disease. Data were analyzed using R 3.2.2 (The R foundation for Statistical Computing, 2015). Seroprevalence of toxoplasmosis was detected 12.00% (95% CI: 4.53- 24.31%) in sheep, 8.70% (95% CI: 3.83- 16.42%) in cattle, 36.36% (95%CI: 22.41- 52.23%) in cats and 12.67% (95% CI: 7.80- 19.07%) in human. In case of human, 31 to 45 years age group were found more susceptible to toxoplasmosis (21.74%, OR: 6.4) in comparison to 21 to 30 years (10.0%) and up to 20 years (4.17%) age groups. Toxoplasmosis was found highly significantly associated with abortion (58.33%, OR= 15.4, P=0.0001) in human in the tested individuals. Regarding occupation, 20.83% butchers were seropositive followed by farmers (15.52%), housewives (10.0%) and diagnostic lab technicians (8.0%). Female and higher age group showed high prevalence of toxoplasmosis in all studied species. Therefore, this assay is a useful method for the serological screening of toxoplasmosis in different animals and humans.
Źródło:
World Scientific News; 2018, 105; 145-156
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Feline ocular toxoplasmosis: seroprevalence, diagnosis and treatment outcome of 60 clinical cases
Autorzy:
Ali, K.M.
Abu-Seida, A.M.
Abuowarda, M.
Powiązania:
https://bibliotekanauki.pl/articles/2087214.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cats
chorioretinitis
keratitis
seroprevalence
Toxoplasma gondii
uveitis
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 1; 51-61
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Occurrence of emerging ruminant viruses in goats in Poland
Autorzy:
Larska, M.
Socha, W.
Rola, J.
Powiązania:
https://bibliotekanauki.pl/articles/16647511.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
goat
seroprevalence
emerging viruses
BTV
PPRV
SBV
capripoxviruses
Opis:
Health status of Polish goat population in regard to the viral diseases remained mostly unknown. In order to determine serological status of Polish goats for selected emerging ruminant viruses, 365 serum samples collected between 2017 and 2019 in 36 districts within 10 of Polish provinces, were tested. No antibodies specific to Peste de Petite Ruminants Virus (PPRSV) and capripoxviruses (CaPV) were found in any of the tested animals. Only single individual (0.27%) was seropositive to Blutongue Virus (BTV). Antibodies directed to Schmallenberg Virus (SBV) were detected in 46 goats which represented 12.6% of the tested population. No association between seropositivity to SBV and year of sampling, province of origin, gender and age was found. In conclusion, among studied viral pathogens, currently only SBV seemed to be important for epidemiological status of Polish goats.
Źródło:
Polish Journal of Veterinary Sciences; 2023, 26, 1; 137-142
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prevalence of Toxoplasma gondii infection in cats in southwestern Poland
Autorzy:
Sroka, J.
Karamon, J.
Dutkiewicz, J.
Wójcik-Fatla, A.
Zając, V.
Cencek, T.
Powiązania:
https://bibliotekanauki.pl/articles/2081746.pdf
Data publikacji:
2018
Wydawca:
Instytut Medycyny Wsi
Tematy:
Polska
PCR
seroprevalence
Toxoplasma gondii
IFAT
cats
oocysts
coproscopy
Opis:
Objective. An assessment of the prevalence of Toxoplasma gondii infection in cats from southwestern Poland using serology, coproscopy and PCR methods. Materials and method. In total, 208 cats (139 females and 68 males), aged 0.5–12 years (mean=2.6) from 25 localities in southwestern Poland were examined by indirect immunofluorescence assay (IFAT) to estimate the T. gondii serological status. Faecal samples of 41 cats were examined for the presence of oocysts/DNA T. gondii by microscopy and Real-time/nested PCR. After flotation (with NaNO3), pellets from faecal samples were disrupted by 10 cycles of freezing (liquid nitrogen) and warming. DNA was extracted using QIamp DNA Stool Mini Kit (Qiagen), according to the manufacturer’s instruction. Results. The positive results in IFAT for anti-T. gondii IgG and IgM antibodies were found in 143 of 208 tested cats (68.8%). Among positive results, 14.5%, 34.1% and 51.4% were detected in titre ranges 128–512, 1,000–2,000 and ≥ 4,000, respectively. In 23.1% of cat sera anti- T. gondii IgM antibodies were found. The prevalence of anti-Toxoplasma antibodies was significantly greater in older cats (>1 year) (83.5%) than in younger cats (48.3%) (P<0.05), in females (74.1%) than in males (58.8%) (P<0.05), and in cats kept outdoors than indoors (69.7% vs. 16.7%) (P<0.01). Among the 41 faecal samples examined, the presence of structures resembling T. gondii oocysts was found in 2 samples (4.9%), and for one of these samples (2.4% of the total) the result was also confirmed by PCR. Conclusions. T. gondii infection in domestic cats is highly prevalent in southwestern Poland. Information on the prevalence of infection in cats can be useful for assessing T. gondii environmental contamination and the risk for public health.
Źródło:
Annals of Agricultural and Environmental Medicine; 2018, 25, 3; 1-5
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Serological cross-sectional survey of equine infectious anemia in Saudi Arabia
Autorzy:
Kasem, S.
Hashim, O.
Alkarar, A.
Hodhod, A.
Elias, A.
Abdallah, M.
Al-Sahaf, A.
Al-Doweriej, A.
Qasim, I.
Abdel-Moneim, A.S.
Powiązania:
https://bibliotekanauki.pl/articles/16539306.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
equine infectious anaemia
equine
ELISA
Saudi Arabia
seroprevalence
Opis:
The equine infectious anaemia virus (EIAV) is one of the most serious equine diseases worldwide. There is scarce information on the epizootiology of equine infectious anaemia (EIA) in Saudi Arabia. Given the importance of the equine industry in Saudi Arabia, this cross- -sectional study aims to provide information about the prevalence of EIAV based on serological surveillance of the equine population in the country. A total of 4728 sera samples were collected (4523 horses and 205 donkeys) between December 2017 and November 2019. All samples were tested using commercially available EIAV ELISA. All tested samples showed negative results for EIAV antibodies with a 95% confidence interval. The results provided evidence that Saudi Arabia’s equine populations (horses and donkeys) are currently free of EIAV. The results also suggest the need for continuous monitoring of EIAV and strict regulation when importing horses from other countries.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 3; 365-368
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determinants of seropositivity for SARS-CoV-2 in hospital staff in the second wave of the pandemic in Slovenia
Autorzy:
Socan, Maja
Prosenc, Katarina
Kukec, Andreja
Zaletel-Kragelj, Lijana
Remec, Tatjana
Grmek-Kosnik, Irena
Powiązania:
https://bibliotekanauki.pl/articles/2152978.pdf
Data publikacji:
2022
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
seroprevalence
nurse
clinician
healthcare professional
COVID-19
SARS-CoV-2
Opis:
Objectives The pandemic caused by the novel coronavirus (SARS-CoV-2) affected a disproportionately high percentage of healthcare workers (HCWs). The aim of the study was to assess the seroprevalence of SARS-CoV-2-specific IgG antibodies in nurses and clinicians working in 2 Slovenian regional hospitals, and to identify the factors associated with seropositivity. Material and Methods The study was designed as a crosssectional study. Clinicians and nurses were invited to participate in November–December 2020. The respondents (813, 65.8%) completed a questionnaire and consented to provide 10 ml of blood for determining the presence of SARS-CoV-2 IgG antibodies. Results The authors observed a seroprevalence rate of 20.4%. The results of the univariate analysis proved that the age of a nurse or clinician was the factor most strongly associated with seropositivity – in fact, the youngest nurses and clinicians were 8.33 times more likely to be seropositive than those in the oldest age group (p = 0.041). Being in contact with a family/household member who was SARS-CoV-2-positive was also a very important factor. In the work-related factors group, being in the contact with a SARS-CoV-2-positive colleague (OR = 2.35, p = 0.026) or being in contact with a COVID-19 patient (OR = 1.96, p = 0.004) correlated with seropositivity. In the primary work location/department group, the only significant association appeared among those working in surgical, ENT or ophthalmology departments. The results of the multivariate analysis further supported the thesis that the age of nurses and clinicians was the factor most strongly associated with seropositivity. The youngest nurses and clinicians were 12.5 times more likely to be seropositive than those in the oldest age group (p = 0.024). Being in contact with a SARS-CoV-2-positive family/household member remained the second most important factor. Conclusions A significant number of clinicians and nurses working in secondary healthcare were infected in the first 9 months of the pandemic.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2022, 35, 5; 571-584
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seroprevalence of Bordetella pertussis antibodies among a group of young adults
Autorzy:
Skiba, A.
Raman, S.
Rzucidlo, I.
Sereda, D.
Koziol, M.M.
Powiązania:
https://bibliotekanauki.pl/articles/2098551.pdf
Data publikacji:
2021
Wydawca:
Instytut Medycyny Wsi
Tematy:
seroprevalence
Bordetella pertussis
antibody
pertussis
respiratory system
adolescent
young adult
Opis:
Introduction. Bordetella pertussis is a Gram-negative rod which attacks the respiratory system and causes whooping cough disease. Despite the high percentage of childhood vaccination amongst the population an increasing number of pertussis cases have been observed over time, especially among adolescents and young adults. Objective. The aim of the study was to analyze the concentration of IgG anti-PT Bordetella antibodies in the serum of young adults in the aspect of maintaining immunity. Materials and method. The study group consisted of 30 patients, medical students aged 21–26 years. They were interviewed with a questionnaire, which asked about their general health, medications taken, basic information about whooping cough, or vaccination status against B. pertussis. The anti-PT Bordetella levels were measured in the collected serum by a commercial ELISA kit (enzyme-linked immunosorbent assay). Results. All patients had previously received a mandatory vaccination for pertussis as a child, and 36.6%had received a booster dose after the age of 18. The total average antibody level was 13.977 IU/mL (range: <5.00 – 50.74) and 40% of samples had a very low concentration (<5 IU/mL). Conclusions. Current findings suggest that post-vaccine immunity decreases over time, while infection susceptibility among younger age groups who have not yet been fully immunized has increased. Methods that could prevent and enable risk stratification of whooping cough include the screening test for anti-PT Bordetella antibody, the improvement of diagnostics, and an additional booster dose.
Źródło:
Journal of Pre-Clinical and Clinical Research; 2021, 15, 3; 126-128
1898-2395
Pojawia się w:
Journal of Pre-Clinical and Clinical Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seroepidemiological study of canine Leishmania infantum and Toxoplasma gondii infections in Shanghai, China, and analysis of risk factors
Autorzy:
Jiang, Wei
Wang, Yan
Liu, Yingchun
Li, Tao
Chen, Yongjun
Wang, Shaohui
Han, Xiangan
Wang, Quan
Powiązania:
https://bibliotekanauki.pl/articles/990968.pdf
Data publikacji:
2016
Wydawca:
Instytut Medycyny Wsi
Tematy:
seroprevalence
leishmania infantum
toxoplasma gondii
household dogs
risk factors
Opis:
The aim of this study was to determine the seroprevalence of Leishmania infantum and Toxoplasma gondii among household dogs in Shanghai (the most important industrial and commercial city in China), and to assess the possible risk factors associated with the infection. During 2014–2015, a total of 408 sera were collected from healthy household dogs and tested for L. infantum and T. gondii infection using commercial ELISA kits. The endemic characteristics according to gender, age group and breed were revealed by statistical descriptions and inference. The positive rates of L. infantum infection (24/408, 5.9%) were lower than those of T. gondii infection (37/408, 9.1%), and co-infection with both parasites was detected in seven dogs (7/408, 1.7%). Seropositivity for either parasite was more likely associated with age: the seroprevalence of T. gondii infection ranged from 1.3% (dogs≤1 year) – 18.7% (dogs>6 years), whereas that of L. infantum ranged from 1.3% (dogs≤1 year) – 9.9 % (dogs>6 years). Interestingly, the rates of exposure to both L. infantum and T. gondii were higher in males than in females. Relatively higher exposure rates for L. infantum and T. gondii were also observed in crossbred dogs compared with purebred dogs. However, neither gender nor breed is likely a determining factor for infection with these two parasites (P > 0.05). Identification of the risk factors that underlie these differences may help in the prevention of L. infantum and T. gondii infection in household dogs. To the best of our knowledge, this is the first report of L. infantum and T. gondii infection in household dogs in Shanghai, which shows that these two important parasites are still prevalent in this region. Therefore, it is necessary to take integrated strategies for prevention and control of infection in animals, which could help to reduce human infection in the region.
Źródło:
Annals of Agricultural and Environmental Medicine; 2016, 23, 3
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seroprevalence and occupational risk survey for Coxiella burnetii among exposed workers in Sicily, Southern Italy
Autorzy:
Fenga, Concettina
Gangemi, Silvia
De Luca, Annamaria
Calimeri, Sebastiano
Lo Giudice, Daniela
Pugliese, Michela
Licitra, Francesca
Alibrandi, Angela
Costa, Chiara
Powiązania:
https://bibliotekanauki.pl/articles/2177166.pdf
Data publikacji:
2015-07-07
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
seroprevalence
Coxiella burnetii
occupational hazard
anthropozoonosis
health surveillance
prevention
Opis:
Objectives The aim of this survey was to assess the seroprevalence of antibodies against Coxiella burnetii (C. burnetii) in subjects at risk of exposure in Sicily, Southern Italy. Material and Methods Prevalence of IgG antibodies to C. burnetii phase II antigens was evaluated by ELISA in a group of 140 workers at risk of exposure (38 veterinarians, 38 slaughterhouse workers, 44 livestock handlers, 20 laboratory and technical personnel) included in a medical surveillance program and in 42 control subjects. Positive samples were classified as suggestive of prior exposure to C. burnetii. Results Antibodies against C. burnetii were detected in 88 out of 140 (62.9%) exposed workers and in 6 out of 42 (14.3%) subjects of the control group. The variables evaluated did not seem to have a significant effect on seropositivity to Coxiella with the exception of symptoms in the last 6 months preceding the survey. Conclusions Our study demonstrated a high seroprevalence of C. burnetii in the group of exposed workers in comparison to non-exposed subjects of the control group. Clinical illness appears to be rare; nevertheless, physicians should consider Q fever in patients with compatible symptoms and occupational exposure to animals and their products. As aerosols represent the main route of infection in animals and humans, these workers are strongly advised to wear respiratory masks. In addition, occupational physicians should consider routine serologic evaluation and vaccination of occupationally exposed workers.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2015, 28, 5; 901-907
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Immunity to hepatitis A virus among working professionals in Poland - results of a 3-year serological survey 2013–2015
Autorzy:
Juszczyk, G.
Czerw, A.I.
Zalecka, B.
Mikos, M.
Banaś, T.
Deptała, A.
Ślusarczyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/2081899.pdf
Data publikacji:
2018
Wydawca:
Instytut Medycyny Wsi
Tematy:
hepatitis A
hepatitis A antibodies seroprevalence
vaccination against hepatitis type A
Opis:
Introduction. Hepatitis A (HA) is caused by infection with the hepatitis A virus (HAV). The differential etiological diagnosis of acute hepatitis is based on a positive result of the serological test detecting IgM class anti-HAV. For epidemiological studies on past infection and seroprevalence of HAV in populations, the tests measuring IgG class anti-HAV or total anti-HAV are used. Since the 1990s, specific prophylaxis is possible by vaccination against HA. In Poland, vaccination is recommended and in majority is performed at own cost. Materials and method. Database was obtained from electronic medical records of the 2 major private health care providers networks (Luxmed and Medicover) operating in Poland. During a 3-year period (2013–2015), 1,124 persons with unknown status of anti-HA vaccination were tested for the presence of total anti-HAV. Objective. The aim of the study was to evaluate the seroprevalence of anti-HAV among working professionals in Poland. Results. Anti-HAV were detected in 603 (53.6%) persons, while 521 (46.3%) tested negative. The study group was divided into 2 subgroups: 25–44 and 45–64-years-old. For detailed statistical analysis, the presence of anti-HAV was considered as a dependent variable, and its predictors were gender, age and the year of the test performance. The presence of anti-HAV was significantly more prevalent in older age group. The lack of specific antibodies was more prevalent in younger age group. Conclusions. Results of the study show increasing susceptibility to HAV infection in the younger age group, compared with the older age group of corporate professional employees in large cities in Poland. Since the epidemiological situation of HA is currently changing with increasing number of symptomatic cases of HA, it is suggested that employers might consider including an additional procedure of vaccination against HA into their private health insurance portfolio.
Źródło:
Annals of Agricultural and Environmental Medicine; 2018, 25, 3; 572-575
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seroprevalence of anti-HAV total antibodies among workers in wastewater treatment plants
Autorzy:
Toseva, Elka I.
Atanasova, Mariya V.
Turnovska, Tanya H.
Powiązania:
https://bibliotekanauki.pl/articles/2159910.pdf
Data publikacji:
2017-12-21
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
anti-HAV total antibodies
immunization
Hepatitis A
seroprevalence
wastewater
workers
Opis:
Objectives Data on high frequency of hepatitis A virus (HAV) antibodies for wastewater treatment staff is contradictory. Literature lacks data on the seroprevalence of antibodies to HAV (anti-HAV) among workers in wastewater treatment plants (WWTPs) in Bulgaria. The aim of this study is to establish a specific humoral immune response to hepatitis A virus – anti-HAV total antibodies among staff in WWTPs. Material and Methods A complex study of health and working conditions included 110 subjects working in 3 WWTPs in Bulgaria (74% of all workers in the 3 studied WWTPs and 20% of all employees in Bulgaria registered in 2014 under the wastewater collection, discharge and treatment code of economic activity). Workers had been differentiated in 3 groups on the basis of their occupational work: operators, support staff and other workers exposed to biological agents. Venous blood from all 110 subjects was tested once for carriers of HAV antibodies. Results Anti-HAV total antibodies were found for 52.7% of workers in WWTPs. There is a positive association between activity performed in WWTPs (operators, maintenance personnel and others exposed) and a positive one for the presence of anti-HAV (Chi2 = 6.882, df = 2, p = 0.032). Odds ratio (OR) for hepatitis A increases 2.9 times in the group of operators vs. others exposed to biological agents in WWTPs (OR = 2.914, 95% confidence interval (CI): 1.149–7.393, Fisher’s p = 0.039). Odds ratio for hepatitis A increases 4.3 times in the group of support staff from WWTPs vs. others exposed to biological agents in WWTP (OR = 4.295, 95% CI: 1.075–17.167, Fisher’s p = 0.049). Conclusions Higher frequency of anti-HAV antibodies among operators and maintenance personnel at WWTPs has been established as compared to other workers exposed to biological agents in WWTPs. There is a positive association between increasing age of the workers and the presence of anti-HAV. Int J Occup Med Environ Health 2018;31(3):307–315
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2018, 31, 3; 307-315
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular characterization and seroprevalence of Echinococcus granulosus in wild boars (Sus scrofa) in south-western Iran
Autorzy:
Sarkari, B.
Mansouri, M.
Khabisi, S.A.
Mowlavi, G.
Powiązania:
https://bibliotekanauki.pl/articles/5608.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
molecular characteristics
seroprevalence
Echinococcus granulosus
wild boar
genotype
Sus scrofa
Iran
Opis:
This study presents the first molecular and serological evaluation of Echinococcus granulosus infections in wild boars in Iran. Twenty five wild boars were collected in south-western Iran, during authorized hunting program, from March to October 2013, necropsied and examined for E. granulosus infection. Furthermore, seroprevalence of cystic echinococcosis in hunted boars was evaluated by an ELISA system. A fertile hydatid cyst due to E. granulosus was detected in the lung of one of the animals. Genotype analysis of the isolate was determined by analyzing a mitochondrial gene, cytochrome C oxidase subunit 1 (co1). DNA was extracted from the cyst sample and polymerase chain reaction amplification and DNA sequencing of the specific region of the co1 gene was performed. Molecular evaluation confirmed the presence of a sheep strain, the G1 genotype, in the wild boar in south-western Iran. This is the first report of the presence of G1 genotype of E. granulosus in wild boar in Iran. Serological evaluation of hydatid cyst by antigen-B ELISA revealed E. granulosus antibodies in 5 (20%) of 25 wild boars. A statistically significant difference was observed between the prevalence of E. granulosus antibodies and gender while the difference between the seroprevalence of E. granulosus and age was insignificant. Findings of this study might have important implications for the prevention and control of cystic echinococcosis.
Źródło:
Annals of Parasitology; 2015, 61, 4
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Healthcare workers highly affected during the COVID-19 epidemic wave in Poland prior to vaccination availability: seroprevalence study
Autorzy:
Rosińska, Magdalena
Stępień, Małgorzata
Kitowska, Wioleta
Milczarek, Małgorzata
Juszczyk, Grzegorz
Nowacka, Zuzanna
Gardel, Aneta
Hermann, Adam
Bardoń-Błaszkowska, Aneta
Cudnik, Rafał
Czubak, Hanna
Wolniak-Bińkowska, Magdalena
Źródłowska, Izabella A.
Sadkowska-Todys, Małgorzata
Powiązania:
https://bibliotekanauki.pl/articles/2081141.pdf
Data publikacji:
2022-04-22
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
Polska
risk factors
COVID-19
SARS-CoV-2
healthcare workers
seroprevalence
Opis:
The aim of the study was to assess seroprevalence of anti-SARS-CoV-2 antibodies among healthcare workers (HCW) before introduction of vaccination, in selected areas in Poland as well as to identify potential risk factors and estimate the cumulative incidence of COVID-19 infections in this population.Material and MethodsThe authors conducted a sero-epidemiological, cross-sectional study among HCW of 5 non-COVID-19 hospitals in Poland. The recruitment took place in December 1–23, 2020, all HCW at selected hospitals could volunteer into the study. All persons were screened with rapid SARS-CoV-2 IgM/IgG tests in capillary blood. In case of positive result, 5 ml of venous blood was drawn for confirmatory testing with ELISA assay. The authors estimated prevalence of laboratory confirmed anti-SARS-CoV-2 antibody presence and examined factors associated with positive result. Cumulative incidence was estimated applying 2-source capture-recapture method to serology results and self-report of past infection.ResultsOut of 1040 HCW included in the analysis, one-fourth (25.2%) received a positive result for anti-SARS-CoV-2 antibodies by ELISA test, the prevalence among women was 25.3% (95% CI: 22.5–28.4) and 24.6% (95% CI: 19–31.2) among men. The prevalence of anti-SARS-CoV-2 antibodies was the highest among respondents who declared home contact with a confirmed COVID-19 case, 43.9% (95% CI: 32.4–56.1). It was also elevated among those who indicated contact with patients with COVID-19, 32.5% (95% CI: 26.7–38.8) and business contacts, including at the workplace, 28.9% (95% CI: 22.5–36.3). The estimated cumulative incidence of COVID-19 infections in the population, using the capture-recapture method was 41.2% (95% CI: 38.1–44.2).ConclusionsHealthcare workers remained at increased risk of infection largely due to work-related contacts with infected patients, although home exposure was also common. Estimated cumulative incidence is higher than the antibody prevalence, which indicates the need to monitor HCW for possible immunity waning, also post-immunization immunity. Med Pr. 2022;73(2):109–23
Źródło:
Medycyna Pracy; 2022, 73, 2; 109-123
0465-5893
2353-1339
Pojawia się w:
Medycyna Pracy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prevalence of Anti-HAV IgG Antibodies in the Population of the Łódź Macroregion by Age Group
Występowania przeciwciał anti-HAV IgG w populacji makroregionu łódzkiego w zależności od wieku
Autorzy:
Henrykowska, Gabriela
Kotecka, Kornelia
Jabłkowska, Aleksandra
Buczyński, Andrzej
Woźny, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/32716828.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Medycyny i Techniki Hiperbarycznej
Tematy:
hepatitis A infection
anty-HAV IgG
seroprevalence
wirusowe zapalenie wątroby typu A
seroprewalencja
Opis:
Over the last several decades, a gradual decrease in the incidence of hepatitis A and an increase in the population of non-immune people, especially in the group of young people have been observed in Poland. The aim of this study was to assess of the presence of specific anti-hepatitis A virus IgG class antibodies (anti-HAV IgG) in relation to age among non-vaccinated hepatitis A patients. There were statistically significantly more patients up to 45 years of age with anti-HAV IgG negative results than those over 45 years of age, and the Fi-square correlation coefficient (Φ2) was 0.263 between the analyzed variables. The data analysis shows that the number of people with specific IgG antibodies against hepatitis A increases with age. The risk of hepatitis A infection in people under 45 is high due to widespread seronegativity in this age group.
Na przestrzeni ostatnich kilkudziesięciu lat zaobserwowano w Polsce stopniowy spadek zachorowań na wirusowe zapalenie wątroby typu A i zwiększenie populacji osób nieuodpornionych, zwłaszcza w grupie osób młodych. Celem pracy była ocena obecności swoistych przeciwciał anty-HAV IgG w zależności od wieku, wśród osób nie szczepionych przeciw wirusowemu zapaleniu wątroby typu A. Zaobserwowano statystycznie znamiennie więcej pacjentów do 45 roku życia z wynikiem anty-HAV IgG ujemnym niż badanych powyżej 45 roku życia, a współczynnik korelacji Fi-kwadrat (Φ2) wynosił 0,263 pomiędzy rozpatrywanymi zmiennymi. Z analizy danych wynika, że z wiekiem rośnie liczba osób posiadających swoiste przeciwciała przeciw wirusowi zapalenia wątroby typu A w klasie IgG. Ryzyko zakażenia wirusem zaplenia wątroby typu A u osób poniżej 45 roku życia jest wysokie ze względu na powszechną seronegatywność w tej grupie wiekowej.
Źródło:
Polish Hyperbaric Research; 2021, 3(76); 67-76
1734-7009
2084-0535
Pojawia się w:
Polish Hyperbaric Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the prevalence of anti-SARS-CoV-2 antibodies in groups of medical and non-medical professions
Autorzy:
Biernacka, Paulina
Piekarska, Anna
Berkan-Kawińska, Aleksandra
Powiązania:
https://bibliotekanauki.pl/articles/21375382.pdf
Data publikacji:
2023-11-27
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
seroprevalence
exposure
occupational risk
COVID-19
healthcare workers
anti-SARS-CoV-2 antibodies
Opis:
Objectives The assessment of the prevalence of anti-SARS-CoV-2 antibodies in various professional groups is very important. Hence, the purpose of the following study was to analyze the seroprevalence of anti-SARS-CoV-2 antibodies among employees performing both medical and nonmedical professions before the launch of SARS-CoV-2 vaccination. Material and Methods The study was conducted among employers of 1 of the institutions: The Provincial Specialist Hospital of Władysław Biegański in Łódź, Poland, Radio Łódź and the Border Guards of Łódź Airport. Blood samples were collected in December 2020–February 2021. Patients were screened for the presence of SARS-CoV-2 antibodies. Simultaneously respondents were asked to complete a self-designed questionnaire including demographic data, detailed profession, history of SARS-CoV-2 infection and willingness to be vaccinated against COVID-19. Results Seroprevalence was significantly higher in the group of rural residents (p < 0.012), participants who declared previous COVID-19 infection (p < 0.001) and healthcare workers (HCWs) (p = 0.002), especially nurses (35.5%, p = 0.003) and medics worked in areas dedicated to COVID-19 than in other specialties (38.7% vs. 26.8%, respectively, p = 0.017). There was no association between the presence of antibodies and the gender (p = 0.118), age (p = 0.559) or BMI (p = 0.998). Conclusions Healthcare workers, in particular nurses, are at high risk of contracting COVID-19 in the workplace. Occupational infections can occur during occur not only during contact with the patient, but also with members of the medical team who do not show typical symptoms of the disease. Shortages in medical staff may also increase the number of infections among HCWs. Medical and hospital staff providing health services during the COVID-19 epidemic in Poland, may seek compensation in the event of consequences related to SARS-CoV-2 infection. The effectiveness of education and self-discipline in complying to safety rules among HCWs should also be constantly monitored.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2023, 36, 5; 643-655
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
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