下列属于甲类传染病的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30898' and id < 2485472 and id<>'2485472' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30898' and id > 2485472 and id<>'2485472' order by id asc limit 5