VIRAL RESPIRATORY DISEASE IN THE AMERICAS.
D000257:Adenoviridae Infections; D000569:Americas; D004770:Enterovirus; D029822:Enterovirus B, Human; D004769:Enterovirus Infections; D004813:Epidemiology; D009656:North America; D009975:Orthomyxoviridae; D009976:Orthomyxoviridae Infections; D017955:Poliovirus; D012141:Respiratory Tract Infections; D012229:Rhinovirus; D013020:South America; D014481:United States; D014777:Virus Diseases
ADENOVIRUS INFECTIONS; COXSACKIE VIRUSES; ECHO VIRUSES; ENTEROVIRUS INFECTIONS; EPIDEMIOLOGY; MYXOVIRUS INFECTIONS; NORTH AMERICA; POLIOVIRUS; RESPIRATORY TRACT INFECTIONS; REVIEW; RHINOVIRUS; SOUTH AMERICA; UNITED STATES; VIRUS DISEASES