15个月的婴儿出现严重水样腹泻及呕吐，病程持续5天，临床粪便标本检查未见致病菌、寄生虫及虫卵。考虑为何种病原体感染

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24114' and id < 2083791 and id<>'2083791' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24114' and id > 2083791 and id<>'2083791' order by id asc limit 5