Study 0n Natural Infection of EHFV in Letotrombidium (L.)Setttellarc
Abstract: This paper reports that EHFV were isolated from the larvae of the m ites which have no biting and the sucking nⅡce bitter by these ae could be infected with EHFv、It showed tl-,at these |arvae Disess natural infection of EHFV and can spread EHFv by biting .furthermore.the EHFV of the lar Vae natural infection may a.Jly be spread over by eggs.The results showed that , n(L.)wo are has an impor~ .L role in sprea ding EⅧ by rats and in the maintenance of the epidemic focas area.