Antigenic drift in swine influenza H3 haemagglutinins with implications for vaccination policy.

de Jong, JCvan Nieuwstadt, APKimman, TGLoeffen, WLABestebroer, TMBijlsma, KVerweij, COsterhaus, ADMEClaas, ECJ2025-03-172025-03-171999https://rivm.openrepository.com/handle/10029/637788Antigenic drift in swine influenza H3 haemagglutinins with implications for vaccination policy.ArticleVaccine 1999; 17:1321-82025-03-17