Skowronski Danuta M, De Serres Gaston
British Columbia Centre for Disease Control, Vancouver, BC, Canada
Institut National de Santé Publique du Québec, Quebec City, QC, Canada.
N Engl J Med. 2021 Apr 22;384(16):1576-1577. doi: 10.1056/NEJMc2036242. Epub 2021 Feb 17.