Immunity to hepatitis A virus among working professionals in Poland – Results of a 3-year serological survey 2013–2015

Juszczyk, Grzegorz; Czerw, Aleksandra; Walewska-Zielecka, Bożena; Mikoś, Marcin; Banaś, Tomasz; Deptała, Andrzej; J, Slusarczyk

doi:10.26444/aaem/91467

Cited by 5 publications

(7 citation statements)

References 13 publications

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“…Among three people over 70 years of age anti-HAV antibodies were present in each of them. A similar increase in seroprotection with increasing age was observed in the study by Juszczyk et al (14). In a study carried out in the Wielkopolska Region (Greater Poland) in 2009-2015 by M.Bura, et al, the percentage of patients with anti-HAV antibodies was higher in older age groups (15) which confirmed a greater susceptibility to infection in patients up to 40 years of age.…”

Section: By 1977 the Highest Incidence Of Hepatitis A Insupporting

confidence: 72%

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The frequency of occurrence anti-HAV antibodies to health employees – own observations

et al. 2018

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INTRODUCTION. In the years 1997-2016, Poland was counted among the countries with a low and very low endemicity of hepatitis A. Based on the epidemiological data from NIZP–PZH (National Institute of Public Health - National Institute of Hygiene), since 2017, an increase in the incidence of hepatitis A has been observed in Poland. Considering the low number of cases by 2016 and a high percentage of seronegative persons, an increased risk of HAV infections should be expected. OBJECTIVE. The aim of the project was to assess the presence of anti-HAV IgG antibodies in the employees of the Provincial Hospital for Infectious Diseases and Observation in Bydgoszcz. MATERIAL AND METHODS. The study was conducted on 123 people who are employees of the hospital. The presence of anti-HAV antibodies was detected using HAV IgG Elisa FORTRESS DIAGNOSTICS kits. RESULTS. The presence of anti-HAV IgG antibodies was found in 28/123 (22.8%) subjects. Anti-HAV IgG antibodies were almost exclusively found in people over 40 years of age. Only one case involved a younger person. CONCLUSIONS. The low incidence of anti-HAV antibodies in the IgG class among medical personnel confirms the reasonableness of vaccinations against hepatitis A in this group.

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Section: By 1977 the Highest Incidence Of Hepatitis A Insupporting

confidence: 72%

“…Podobny wzrost seroprotekcji wraz z wiekiem zaobserwowali w swoim badaniu Juszczyk i wsp. (14). promotion of vaccination against hepatitis A, which since 1990 is available in Poland as part of the recommended vaccinations, is clearly justified.…”

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confidence: 99%

The frequency of occurrence anti-HAV antibodies to health employees – own observations

et al. 2018

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“…26 Polonya'da sağlık çalışanlarında yapılan bir araştırmada anti-HAV IgG %53,6 sıklıkta pozitif bulunmuştur ve anti-HAV IgG'nin ileri yaştaki katılımcılarda pozitiflik oranının daha yüksek olduğu bulunmuştur. 27 Kore'de yapılan bir araştırmada sağlık personelinde anti-HAV IgG seropozitifliği %27,6 olarak saptanmış ve artan yaşla birlikte hepatit A bağışıklığının da arttığı rapor edilmiştir. 28…”

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Evaluation Of Hepatitis A and Hepatitis B Seroprevalence in Dental Faculty Students and Staff

Kutlu

Terlemez

Demirbaş

et al. 2020

Turkish Journal of Family Medicine and Primary Care

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Introduction: Students and staff in dental faculty often work with penetrating tools and are in constant contact with blood and body fluids. These risk factors are very dangerous for hepatitis A and hepatitis B transmission. In this study, we aimed to evaluate the seroprevalence of hepatitis A and hepatitis B in dental faculty students and staff. Methods: The universe of this descriptive and crosssectional study consisted of staff and students at the Necmettin Erbakan University Faculty of Dentistry. The study was conducted on 224 people. Results: Participants of this study includes 45.1% oral and dental health students, 36.2% dentistry faculty students, 12.1% research assistants and 6.7% health personnel. The mean age of participants was 21.9±5 years and 70.5% female (n=158), 29.5% male (n=66). HBsAg positivity was detected in only one person. Anti-HBs antibody titer was positive in 87.5%. Anti-HAV IgG antibody titer was found to be 31.3%. Anti-HAV IgG positivity was higher in the health personnel than the students (p=0.001). While there was no difference between the sexes of the participants and Anti-HAV and Anti-HBs seropositivity (p>0.05), it was found that the frequency of seropositivity increased as the student's grade level increased (p=0.001). Conclusion: In this study, HBsAg was positive in one person, the seropositivity of anti-HBs was found as 87.5% and the seropositivity of anti-HAV IgG was 31.3%. It is very important that the faculty of dentistry staff are screened periodically and that the infected persons identified as in our study are referred to the relevant departments. Early diagnosis can prevent future complications and reduce the burden of public health. Vaccination of hepatitis A and B seronegative staff protects from occupational risks.

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“…In other research, authors emphasized low immunity levels and highlighted the importance of HAV vaccinations among MSM (Latash et al, 2017). Other researchers proved increasing susceptibility to HAV infection among younger corporate professional employees in large cities in Poland (Juszczyk et al, 2018). During the outbreak in Poland, there was a temporary nonavailability of vaccinations.…”

Section: Discussionmentioning

confidence: 97%

Acute Hepatitis A Outbreak Among Men Who Have Sex With Men in Krakow, Poland; February 2017–February 2018

et al. 2019

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Since February 2017 in Poland, an increasing number of acute hepatitis A (AHA) cases have been reported; a noteworthy increase to 3,072 cases of AHA in 2017 compared to 35 cases in 2016 was reported by the National Institute of Public Health (NIPH). The aim of this study was to evaluate the demographic features, clinical manifestations, laboratory results, and sexually transmitted coinfections. All cases of AHA diagnosed between February 2017 and February 2018 at the University Hospital in Krakow were analyzed. A total of 119 cases of hepatitis A virus (HAV) were reported; 105 (88%) were males and 14 (12%) were females, with a mean age 31 years (range 19–62). In 84 patients (71%), the HAV was transmitted by oral–anal sexual contact between men. Six women were infected by close house contact with men infected with HAV. The route of transmission was not identified for 29 cases, and 88 patients (74%) required hospitalization. Among the cases, the following coinfections were already diagnosed: HIV 36 patients (30%), chronic hepatitis C virus (HCV) 4 patients (3%), and chronic hepatitis B virus (HBV) 2 patients (1.5%). During AHA diagnosis, some new sexually transmitted infections (STIs) were detected; syphilis eight patients (6.7%), HIV/syphilis seven patients (6%), HIV//HCV/syphilis one patient, and acute retroviral syndrome/ Shigella flexneri one patient. Overall, AHA outbreak in Poland in 2017 affected primarily men who have sex with men (MSM) and was connected with oral–anal sexual contacts, and the majority of patients did not have HAV vaccination. These results show a clear need for routinely offering HAV vaccination to at-risk populations and that awareness among health-care workers about HAV sexual transmission may help introduce prevention methods.

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Immunity to hepatitis A virus among working professionals in Poland – Results of a 3-year serological survey 2013–2015

Cited by 5 publications

References 13 publications

The frequency of occurrence anti-HAV antibodies to health employees – own observations

The frequency of occurrence anti-HAV antibodies to health employees – own observations

Evaluation Of Hepatitis A and Hepatitis B Seroprevalence in Dental Faculty Students and Staff

Acute Hepatitis A Outbreak Among Men Who Have Sex With Men in Krakow, Poland; February 2017–February 2018

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