title: Viral epidemiology: the hidden universality of infection.
mesh_terms: D000256:Adenoviridae / Q000302:isolation & purification; D000328:Adult; D000367:Age Factors; D000956:Antigens, Viral / Q000032:analysis; D002353:Carrier State / Q000175:diagnosis*; D002675:Child, Preschool; D003587:Cytomegalovirus / Q000302:isolation & purification; D004770:Enterovirus / Q000302:isolation & purification; D005260:Female; D006518:Hepatitis Viruses / Q000302:isolation & purification; D004854:Herpesvirus 4, Human / Q000302:isolation & purification; D006801:Humans; D008297:Male; D011051:Poliomyelitis / Q000175:diagnosis; D017955:Poliovirus / Q000302:isolation & purification; D012412:Rubella virus / Q000302:isolation & purification; D012737:Sex Factors; D018139:Simplexvirus / Q000302:isolation & purification; D014777:Virus Diseases / Q000453:epidemiology*
chemical_list: D000956:Antigens, Viral