PARAINFLUENZA INFECTIONS IN THE COMMUNITY.
D000293:Adolescent; D002648:Child; D003168:Complement Fixation Tests; D004739:England; D004813:Epidemiology; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009975:Orthomyxoviridae; D009976:Orthomyxoviridae Infections; D018184:Paramyxoviridae Infections; D012141:Respiratory Tract Infections; D012621:Seasons; D014776:Virus Cultivation
ADOLESCENCE; CHILD; COMPLEMENT FIXATION TESTS; ENGLAND; EPIDEMIOLOGY; HEMAGGLUTINATION INHIBITION TESTS; INFANT; INFANT, NEWBORN; MYXOVIRUS INFECTIONS; PARA-INFLUENZA VIRUSES; RESPIRATORY TRACT INFECTIONS; SEASONS; VIRUS CULTIVATION