Viral shedding and clinical illness in naturally acquired influenza virus infections. Author(s): Lau LL, Cowling BJ, Fang VJ, Chan KH, Lau EH, Lipsitch M, Cheng CK, Houck PM, Uyeki TM, Peiris JS, Leung GM|Journal: J Infect Dis|PMID: 20377412| May 2010 Volunteer challenge studies have provided detailed data on viral shedding from the respiratory tract before and through the course of…