Epidemiology of Severe Acute Respiratory Illness and Risk Factors for Influenza Infection and Clinical Severity among Adults in Malawi, 2011-2013.

Ho A, Mallewa J, Peterson I, SanJoaquin M, Garg S, Bar-Zeev N, Menyere M, Alaerts M, Mapurisa G, Chilombe M, Nyirenda M, Lalloo DG, Rothe C, Widdowson MA, McMorrow M, French N, Everett D, Heyderman RS,