Influenza vaccination in a residential boys' school; report to the medical research council committee on clinical trials of influenza vaccine.
D035843:Biomedical Research; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D012574:Schools; D014611:Vaccination
D007252:Influenza Vaccines
INFLUENZA/prevention and control