(Toronto) Experts and politicians on Monday defended the “interchangeability” of Moderna and Pfizer mRNA second-dose vaccines, as late deliveries alter vaccination schedules for many Canadians.
The federal government has announced that the weekly delivery of 2.4 million doses of Pfizer-BioNTech vaccine is delayed by a few days – they will arrive in the middle of the week. The delay has prompted some provinces to offer a second dose of Moderna instead of Pfizer – and urged citizens not to skip boosters because of this sudden “hybrid” vaccination.
Quebec’s premier, François Legault, said on Monday that according to experts, there would also be a “small additional security” associated with swapping vaccines. “On the other hand, there is little increase in the risk that it will have consequences” (side effects), he added at a press briefing in Montreal on Monday morning, when he received his second dose of the Pfizer vaccine. Olympic Stadium in Montreal.
“Over the next two weeks, we’ll get less from Pfizer,” he said. We will be able to fulfill all the promises made for vaccination. On the other hand, for two weeks, we will not take any more till we get confirmation. Mr Legault also praised the merits of interchangeability for those who would have received AstraZeneca in the first dose, and for those who should have passed without problems, according to Moderna in the second dose.
In Ontario, citizens were recently informed that they could receive a different mRNA vaccine for their second dose, as many Ontarioans could proceed to their second appointment by Monday morning. The province’s chief medical officer of health urged Ontarians receiving Pfizer in the first dose not to hesitate if Moderna is offered the second dose. “We want you to have full protection as soon as possible,” said Dr David Williams, noting that the more contagious Delta variant continued to spread in the province. “Vaccines can be mixed without danger,” he said.
Dr. Jeff Kwang, an epidemiologist at the University of Toronto, feared that people would delay their second dose because they were offered Moderna, which would slow down the pace of vaccination. According to him, an analysis of data compiled by the independent research organization ICES shows that two doses of Moderna are “as good” as two doses of Pfizer at preventing infection: therefore, there is no reason to believe that ‘ A first dose of Pfizer and a second of Moderna will be worse than two doses of Pfizer.
The Alberta government has also informed citizens that appointments for the vaccine may have to change depending on supply, and they have also emphasized that the two mRNA injections are considered interchangeable. “There are more Moderna available at the moment. If you book for Moderna, you will be able to get an appointment earlier and thus complete your vaccination schedule,” the provincial health agency said on Monday.
In Manitoba, officials have encouraged adults to get vaccinated with Moderna and even warned that the government may have to cancel Pfizer appointments scheduled after July 7 due to a slowdown in product supply. is.
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