PT - JOURNAL ARTICLE AU - Shelly Bolotin AU - Sarah Wilson AU - Michelle Murti TI - Achieving and sustaining herd immunity to SARS-CoV-2 AID - 10.1503/cmaj.210892 DP - 2021 Jul 19 TA - Canadian Medical Association Journal PG - E1089--E1089 VI - 193 IP - 28 4099 - http://www.cmaj.ca/content/193/28/E1089.short 4100 - http://www.cmaj.ca/content/193/28/E1089.full SO - CMAJ2021 Jul 19; 193