Influenza activity in Kenya, 2007-2013: timing, association with climatic factors, and implications for vaccination campaigns. - Emukule, Gideon O.; Mott, Joshua A.; Spreeuwenberg, Peter; Viboud, Cecile; Commanday, Alexander; Muthoka, Philip; Munywoki, Patrick K.; Nokes, David J.; Velden, Koos; Paget, John W. (Influenza & Other Respiratory Viruses, 2016)