Fourth doses in Ontario: Here's what we know | CTV News - CTV News Toronto

Fourth doses in Ontario: Here's what we know | CTV News - CTV News Toronto
When should you get your fourth dose in Ontario? The timing can differ for people who have been previously infected with the virus.
Ontario medical experts are continuing to encourage people to get COVID-19 booster shots, but the timing can differ for people who have been previously infected with the virus. The province has been… [+2543 chars] Read More



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