Özet:

The cause of viral hepatitis in childhood is the hepatitis A virus (HAV). It is diagnosed with antiHAV Ig M. In those who suffer from the disease or are vaccinated with hepatitis A, the anti-HAV Ig G level is increased. With this study, we aimed at investigating the serology of HAV patients and revealing the seroprevelance of HAV in children who have completed the hepatitis A vaccine. Tools and Methods: Study included children aged 0-18 who evaluated HAV serology tests between January 2016-December 2018. The changes in anti-HAV Ig G and anti-HAV Ig M levels according to age and vaccination applications were studied retrospectively. Results: The study included a total of 409 (53.7%) male and 353 (46.3) female children. The average age was 7.56 ± 5.27. In 422 of the children (55.4%) anti-HAV Ig G was positive, while in 340 (44.6%) negative. Only 4 patients were diagnosed with anti-HAV Ig M positive. In 88.4% of vaccinated children (38.3%), anti-HAV Ig G positive was observed. The result: According to our data, children who do not have a vaccine are likely to get hepatitis A even today. To reduce this risk, strategies should be developed, family awareness about the vaccine should be provided, high vaccination rates should be provided in non-vaccinated or non-hepatitis A-infection persons with adequate levels of anti-HAV Ig G positivity in the community.

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