Europe PMC (PubMed Central) · 2009 · 127 citations · 6 references
Virus EpidemiologyEmerging Infectious DiseasesVirus InfectionMedicineVirologyDisease OutbreakMarch-may 2009Novel Influenza AEpidemiologyInfluenza Vaccines
6
Jonathan D. Katz, Kathy Hancock, Vic Veguilla et al. · MMWR Morbidity and Mortality Weekly Report · 2009 · 505 citations
Vaccination, Seasonal Influenza Vaccine, Cross-protection +9