More Canadians may soon be offered a fourth dose of the COVID-19 vaccine — a move most experts agree could be vital to containing the potential damage of another case surge.
More Canadians may soon be offered a fourth dose of the COVID-19 vaccine, but the extent of the protection it provides remains to be seen.
Many provinces have already prioritized this population and set their own guidelines on booster timing and eligibility. Meanwhile, B.C. Health Minister Adrian Dix signalled Thursday that the province is looking to extend more boosters to vulnerable groups such as long-term care residents, with details expected Tuesday.Experts warn that current vaccines appear to be a poor match for the more infectious Omicron variant.
“The current vaccine is really challenging our ability to protect against infection in the long term.” In a preprint paper that hasn’t been peer reviewed, researchers analyzed the health records of more than 1.1 million older Israelis and found that rates of confirmed infections and severe illness were lower among those who had two boosters compared to those who had just one.
There is consensus, however, that it would be premature to offer younger Canadians a second booster in the near future, particularly when so many of them haven’t received their first.
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