Influenza--the problems and the future.
D000818:Animals; D000914:Antibodies, Viral; D000917:Antibody Formation; D000956:Antigens, Viral; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004739:England; D006801:Humans; D007223:Infant; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology / Q000401:mortality / Q000517:prevention & control / Q000662:veterinary; D009975:Orthomyxoviridae / Q000276:immunology; D011995:Recombination, Genetic; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology; D014481:United States; D014611:Vaccination; D014613:Vaccines, Attenuated; D014852:Wales
D000914:Antibodies, Viral; D000956:Antigens, Viral; D007252:Influenza Vaccines; D014613:Vaccines, Attenuated