Why polio, virus infection which is caused by
belong in the family Picornaviridae Enterovirus group Serotype 3 and there,, Is a Type 1 2 3 each, and, type may cause paralysis. Find type 1 causes paralysis and caused outbreaks. Ponds except that,, Other Thai. When one type of infection it is, a permanent immunity occurs only on Thai. There are no other Thai, resistance. According to, the theoryAnd may have infected up to 3 times.
.
การแปล กรุณารอสักครู่..
