RT Journal Article SR Electronic T1 Pandemic (H1N1) 2009 lives in some people for at least eight days after symptoms develop JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E203 OP E203 DO 10.1503/cmaj.109-3062 VO 181 IS 9 A1 Laura Eggertson YR 2009 UL http://www.cmaj.ca/content/181/9/E203.abstract