Influenza.
D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control / Q000628:therapy; D009975:Orthomyxoviridae / Q000276:immunology; D006113:United Kingdom; D014611:Vaccination
D007252:Influenza Vaccines