Mária Štefkovičová, Pavol Šimurka, Henrieta Hudečková, Zuzana Krištúfková
Introduction: Rotaviruses and noroviruses account for the largest number of viral gastroenteritis. While rotaviruses induce severe gastroenteritis (RVGE) mostly in children up to 5 years of age, noroviruses infections (NVGE) afflict older children and adults. Their clinical picture is not as dramatic as in RVGE. Material and methods: Case analysis of rotaviruses, noroviruses and gastroenteritis probably of infectious origin (diagnosis A 08.0, A 08.1, A 09. and A 08.4) reported to epidemiological system of transmitted diseases (EPIS) in the years 2005 - 2007. Results: EPIS reports annually 4500 - 6500 acute diarhoretic diseases, 71.8 % of which is without laboratory diagnostics. The portion of laboratory diagnosed cases varies in particular regions of Slovakia, with the range from 9.2 % (Košice region) to 73.3 % (Žilina region). VGE tend to occur in epidemics. In 2007 20 NVGE, 7 RVGE and 50 other GE without identification of etiologic agens were reported in Slovakia. (Dg A 09. and A 08.4). Most of them occurred in hospitals (37-times), followed by epidemics in senior houses and social care institutions (14-times). The highest portion of diseases with epidemic incidence was reported in diagnosis A 08.1 (90.0 %), the incidence of two others was significantly lower (A 08.0 - 12.1 %; A 09. - 24.7 %; A 08.4 - 50.9 %). Conclusion: The large portion of viral gastroenteritis still remains etiologically unclear. For improvement of anti-epidemic precautions and in case of rotaviral infections also for establishment of strategy and realization of vaccination it is inevitable to improve and expand diagnostics and diseases reporting.