Canada: 82% Delta vaccine breakthrough in Calgary hospital coronavirus outbreak
An outbreak of the Delta coronavirus variant at the Foothills Medical Centre in Calgary has seen 16 patients and six health-care workers tested positive for the variant. Six of the patients and five of the health-care workers had received two doses of the vaccine, while seven patients and one health-care worker had a single dose. The total vaccine breakthrough rate is 81.82%. All of those infected were vaccinated with an mRNA vaccine.
Image by Qyd, CC BY-SA 3.0, via Wikimedia Commons
** This post was originally published on June 14, 2021 **