Corbella: Are the delays of second shots endangering cancer patients and creating COVID variants? Most Canadians are having to wait 112 days, or four months for their second shot, as their health authorities follow the recommendations of NACI Author of the article: Licia Corbella Publishing date: Apr 06, 2021 • 4 hours ago • 5 minute read • Richard Cross sits on the steps of his house in Cranston in Calgary on Monday, April 5, 2021. Cross received his first COVID-19 vaccine about three weeks ago and is worried about the delayed second dose. Photo by Dre Kwong/Postmedia Article content The unscientific decision by numerous health authorities across the country to turn their populations into a massive drug trial and medical experiment is adding stress to already suffering cancer patients and elderly people.