Widdowson Marc-Alain, Iuliano A Danielle, Dawood Fatimah S
Influenza Division, Centers for Disease Control and Prevention, Atlanta, 30333 GA, USA.
Influenza Division, Centers for Disease Control and Prevention, Atlanta, 30333 GA, USA.
Lancet Infect Dis. 2014 Aug;14(8):670-672. doi: 10.1016/S1473-3099(14)70835-7.