National advisory committee recommends stretching interval between vaccine doses to 4 months

Canada's National Advisory Committee on Immunization (NACI) has updated its guidance on the maximum interval between vaccine doses, raising the maximum interval between the first and second Pfizer-BioNTech vaccine doses from three weeks to four months. https://www.cbc.ca/news/politics/naci-interval-advice-change-four-months-1.5934563?cmp=rss #news/politics