Serological evidence of infection with respiratory viruses in 1954-5.
D000906:Antibodies; D000941:Antigens; D006801:Humans; D011014:Pneumonia / Q000276:immunology*; D011019:Pneumonia, Mycoplasma / Q000276:immunology*; D013291:Streptococcus / Q000276:immunology*; D014780:Viruses
D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; PNEUMONIA, PRIMARY ATYPICAL/immunology; PNEUMONIA/immunology; STREPTOCOCCUS/immunology