| surveillance of pathogens in outpatients with gastroenteritis and characterization of sapovirus strains between 2002 and 2007 in kumamoto prefecture, japan. | infectious acute gastroenteritis is an important public health problem worldwide. a total of 639 stool specimens were tested for the presence of diarrhea pathogens. the specimens were from outpatients with acute gastroenteritis who consulted the pediatric clinic in kumamoto prefecture, japan, from june 2002 to december 2007. of these, 421 (65.9%) were positive for diarrhea pathogens. among them were norovirus (nov) in 260 (61.8%), sapovirus (sav) in 81 (19.2%), rotavirus in 49 (11.6%), adenoviru ... | 2009 | 19382269 |