RT Journal Article SR Electronic T1 Preparing for infectious disease threats at mass gatherings: the case of the Vancouver 2010 Olympic Winter Games JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 579 OP 583 DO 10.1503/cmaj.100093 VO 182 IS 6 A1 Kamran Khan A1 Clark C. Freifeld A1 Jun Wang A1 Sumiko R. Mekaru A1 David Kossowsky A1 Amy L. Sonricker A1 Wei Hu A1 Jennifer Sears A1 Angie Chan A1 John S. Brownstein YR 2010 UL http://www.cmaj.ca/content/182/6/579.abstract