病原体侵入人体后，临床上不显示出任何症 状、体征，但可产生特异性免疫，被称为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30843' and id < 2483992 and id<>'2483992' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30843' and id > 2483992 and id<>'2483992' order by id asc limit 5