PT - JOURNAL ARTICLE AU - Carolyn Brown TI - Low rates of immunity in adults behind H1N1 resurgence AID - 10.1503/cmaj.109-4740 DP - 2014 Apr 01 TA - Canadian Medical Association Journal PG - 410--410 VI - 186 IP - 6 4099 - http://www.cmaj.ca/content/186/6/410.short 4100 - http://www.cmaj.ca/content/186/6/410.full SO - CMAJ2014 Apr 01; 186