[Serological investigation on infant virus pneumonia in Beijing].
Antibody against adenovirus in paired sera of 171 cases of infant virus pneumonia observed in 7 winter-spring periods was assayed by hemagglutination-inhibition test and enzyme-linked immunosorbent assay. A 4-fold or greater rise in the titer was found in 56 cases (32.75%). Type 3 and Type 7 were predominant. Antibody against influenza virus was assayed in paired sera of 129 cases in 6 winter-spring periods. A 4-fold or greater increase in the titer was observed in 11 cases (8.53%), with predominance of A1 and A3. Antibody against parainfluenza virus was also assayed in paired sera of these 129 cases. A 4-fold or more rise in the titer was demonstrated in 27 cases (20.93%), with predominance of Type 3. Antibody against respiratory syncytial virus was assayed in paired sera of 60 cases. A 4-fold or greater increase in the titer was shown in 14 cases (23.30%).
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D000260:Adenoviruses, Human / Q000276:immunology; D000914:Antibodies, Viral / Q000032:analysis; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D009975:Orthomyxoviridae / Q000276:immunology; D011024:Pneumonia, Viral / Q000276:immunology* / Q000382:microbiology; D012136:Respiratory Syncytial Viruses / Q000276:immunology; D018108:Respirovirus / Q000276:immunology
D000914:Antibodies, Viral