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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.
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. What do we know about second booster doses?
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.
U.S. regulators approved a 4th dose for those 50 and older at least 4 months since last vaccination
Wastewater monitoring conducted by the National Microbiology Laboratory suggests the virus that causes COVID-19 was found in the largest quantities in Winnipeg at the beginning of January.