Variation of dominant types of enteroviruses during a sequence of years.
D003384:Coxsackievirus Infections; D030541:Databases, Genetic; D004770:Enterovirus; D029822:Enterovirus B, Human; D004769:Enterovirus Infections; D006801:Humans; D011051:Poliomyelitis
COXSACKIE VIRUS INFECTIONS; ECHO VIRUSES; ENTEROVIRUS INFECTIONS; POLIOMYELITIS