The full report is titled “Facemasks and Hand Hygiene to Prevent Influenza Transmission in Households. A Cluster Randomized Trial.” It is in the 6 October 2009 issue of Annals of Internal Medicine (volume 151, pages 437-446). The authors are B.J. Cowling, K.H. Chan, V.J. Fang, C.K.Y. Cheng, R.O.P. Fung, W. Wai, J. Sin, W.H. Seto, R. Yung, D.W.S. Chu, B.C.F. Chiu, P.W.Y. Lee, M.C. Chiu, H.C. Lee, T.M. Uyeki, P.M. Houck, J.S.M. Peiris, and G.M. Leung.
