[Association of influenza A2 and ECHO 6 viruses].
D000293:Adolescent; D029822:Enterovirus B, Human; D006801:Humans; D007251:Influenza, Human / Q000150:complications*; D008297:Male; D008590:Meningoencephalitis / Q000150:complications*; D009975:Orthomyxoviridae
Assotsiatsiia virusa grippa A2 i ECHO 6.