Influenza and Other Respiratory Viruses Vidaña, B, Brookes, S M, Everett, H E, Garcon, F, Nuñez, A, Engelhardt, O, Major, D, Hoschler, K, Brown, I H & Zambon, M 2020, ' Inactivated pandemic 2009 H1N1 influenza A virus human vaccines have different efficacy after homologous challenge in the ferret model ', Influenza and Other Respiratory Viruses . https://doi.org/10.1111/irv.12784