Canada’s health regulator on Friday authorized the use of Johnson & Johnson’s single-dose vaccine. The move now gives the country, which has experienced a slow start to vaccinations, four inoculations to choose from.
“This is great news,” Prime Minister Justin Trudeau said at a news conference. He offered no projected date for the first deliveries.
Health Canada officials said that the vaccine has an overall effectiveness of 66.9 percent, much lower than the efficacy rates reached by Pfizer and Moderna vaccines. But it is similar to those vaccines in having a powerful ability to prevent severe disease, hospitalizations and death.