Modes of Transmission of Influenza B Virus in Households. - Cowling, Benjamin J.; Ip, Dennis K. M.; Fang, Vicky J.; Suntarattiwong, Piyarat; Olsen, Sonja J.; Levy, Jens; Uyeki, Timothy M.; Leung, Gabriel M.; Peiris, J. S. Malik; Chotpitayasunondh, Tawee; Nishiura, Hiroshi; Simmerman, J. Mark (PLoS ONE, 2014)