Evaluation of Japanese B encephalitis vaccine.  III.  Okayama field trial, 1946-1949.
D004660:Encephalitis; D004672:Encephalitis, Japanese / Q000276:immunology*; D006801:Humans; D014611:Vaccination; D014612:Vaccines
D014612:Vaccines
ENCEPHALITIS, JAPANESE B/immunology; VACCINES AND VACCINATION