In recent days, many health experts have spoken out about the risks of delaying doses
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Should we fear that Canada is delaying the second dose of vital coronavirus vaccines to deal with the inability of the Liberal government to obtain enough supplies to vaccinate the population? Not if you buy the propaganda released by the Public Health Agency of Canada (PHAC).
On Monday, a Globe and Mail front page headline sounded: Relatively Few Infections After First Dose, Data Show. The article cited data from PHAC showing that “only” 1.3% of new COVID-19 cases were found in people who received their first vaccine more than two weeks earlier, as “evidence” that delaying the second dose was beneficial.
In contrast, a growing body of evidence suggests that this strategy could be dangerous. And in recent days, many health experts have spoken out about the risks of delaying doses.
“The second dose of mRNA vaccines (Pfizer and Moderna) induces a level of virus neutralizing antibodies approximately 10 times higher than the first dose,” said Dr. Paul Offit, professor at the University of Pennsylvania and member of the ‘US Food and Drug Administration’s Vaccine Advisory Committee told The New York Times. “In addition, the second dose induces cellular immunity, which not only predicts longer protection, but better protection against variant strains.”
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In Israel, which has one of the highest vaccination rates in the world, a recent pre-print study suggests that people who have only received a single dose of the Pfizer vaccine are more susceptible to the UK variant than those that have been fully vaccinated. The conclusion is that full two-dose vaccination offers better protection against variants, said lead author of the study Adi Stern, a professor at the Shmunis School of Biomedicine and Cancer Research at Tel Aviv University.
Another study followed 91,134 patients in the Houston Methodist Hospital system in the United States. About 4.5% were partially vaccinated and 25.4% were fully vaccinated. There were 225 deaths from COVID-19 in the group; of these, 97.3% were not vaccinated, 2.2% were partially vaccinated and only one person (0.004%) died after being fully vaccinated.
Lead author of the study, Saad B. Omer, director of the Yale Institute for Global Health, said he started the research with a “neutral” view of the benefits of two doses over just one dose. But he is now convinced that the benefits of a second dose are significant.
Britain is the only other country to cover its supply failures by delaying doses (in its case, by 12 weeks), and a recent study from Imperial College London shows that having only ‘a single dose leaves people “vulnerable” to variants.
“A dose in terms of all of our measurable immune parameters of (Pfizer vaccine) seems really very, very low and even more so against the variants,” said Professor Danny Altmann, co-author of the study. “And yet, whatever level of immunity was induced, it was certainly enough to have had some impact. But it’s really very, very low compared to two doses.
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With the growing body of evidence, even drug companies are starting to speak out against the misuse of their products. Cole Pinnow, CEO of Pfizer Canada, said in a recent interview that Canada’s decision to allow a 16-week gap between the first and second dose – rather than the recommended three weeks – is not science-based. .
“All of the clinical data that we have generated, all of the science that set the expectations for the efficiency and effectiveness of our products is rooted in science, and science supports a 21-day dosing schedule for our product. – more or less a bit of a gap, I think (this) is as little as 19 days and up to 42 days, ”Pinnow said. “So we are disappointed that Canada has chosen to stand out from the vast majority of the world that adheres to the 21-day regimen, but we also recognize that legally it is their decision.
The Liberals have completely ignored science. Insufficient information that their public health agency’s public relations team gives to the press cannot replace.
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