TY - JOUR T1 - West Nile virus: round five JF - Canadian Medical Association Journal JO - CMAJ SP - 1669 LP - 1670 DO - 10.1503/cmaj.1040682 VL - 170 IS - 11 AU - Erica Weir AU - Howard Shapiro Y1 - 2004/05/25 UR - http://www.cmaj.ca/content/170/11/1669.abstract ER -