Material and methodology Authors have studied the seasonal distribution of the gastroenteritis caused by rotavirus. The study was prospective and was conducted at the Department of Pediatric Gastroenterology of the University Clinical Center of Kosova, during one year. Testing of the stool was performed using agglutination test with the sensitivity and specify of around 96%.

Results Of 1011 children aged 0–5 years, hospitalized at the Department of Pediatric Gastroenterology due to gastroenteritis, 116 had rotavirus infection. At the admission all children were with diarrhea, 97.41% had vomiting and 43.96% had fewer. 70.7% of patients had moderate dehydration and 29.3% severe dehydration All patients in the study were intravenously rehydrated. All patients healed with no sequels. The seasonality of the disease was distinctive and had two peaks - first in late winter/early spring (January-16, February-9, March-9 and second in late summer/early autumn) August-11, September-20 and October–14.

Conclusion Two peaks seasonality late winter/early spring and late summer/early autumn of the rotavirus infection reflects the difference in the wealth of the population in Kosova, with first peak in winter, similar to the one in the developed countries and the second peak in summer, similar to the one in non-developed countries.