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Original Article



Prevalence of rotavirus and adenovirus in children with acute gastroenteritis

Tayfur Demiray, Mucahide Topcu, Ozlem Aydemir, Engin Karakece, Mehmet Koroglu, Bahri Elmas, Mustafa Altindis.

Abstract
Background: Rotaviruses and adenoviruses are the commonly isolated viral agents from the patients with acute gastroenteritis and cause severe diarrhea in children younger than five years. Epidemiologic knowledge of the prevalence of these viruses is important for infection control policies and vaccination programs. Under this scope, we aimed to present the prevalence of rotaviruses and adenoviruses and their seasonal variations among pediatric age group patients with the diagnosis of acute gastroenteritis, which was determined by the immunochromatographic method in our region.
Material and Methods: We evaluated the stool samples of the pediatric age group patients with the diagnosis of acute gastroenteritis during one-year period of January 1st to December 31st in 2015 by using an immunochromatographic assay to determine the rotavirus and adenovirus antigens.
Results: During the one-year study period we examined the stool samples of 7994 pediatric patients. Rotavirus antigen was positive in 453 (5.7%) of the samples, whereas adenovirus antigen was positive in 176 (2.2%) of the samples. Acute gastroenteritis cases due to rotavirus dominated mainly in winter (9.5%) and spring (8.9%) and adenovirus affected patients more in spring (3.2%) and summer (2.6%).
Conclusion: We have determined the prevalence of rotavirus antigen positivity as 5.7% and adenovirus antigen positivity as 2.2%, which are both relatively low compared to the other studies from our country. Seasonal variations are only observed for rotaviruses. Prevalence rates from different studies conducted in different parts of the country together with the rates from this study, will contribute the baseline epidemiologic knowledge for implantation of vaccination programs and infection control policies in Turkey.

Key words: Rotavirus, adenovirus, acute gastroenteritis, immunochromatography


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