关于图中所示的HAV，下列哪项说法是错误的 ( ) [http://cdn.laixue.com/exam/11717168/TestImages/BD-03841.jpg] [http://cdn.laixue.com/exam/11717168/TestImages/BD-03842.jpg] [http://cdn.laixue.com/exam/11717168/TestImages/BD-03843.jpg]-008-传染病学