RT Journal Article SR Electronic T1 West Nile virus JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 484 OP 484 DO 10.1503/cmaj.050930 VO 173 IS 5 A1 Murray, Sally A1 Weir, Erica YR 2005 UL http://www.cmaj.ca/content/173/5/484.abstract