COVID-19 booster shots may not be needed this fall, AstraZeneca study finds – The Globe and Mail

COVID-19 booster shots may not be needed this fall, AstraZeneca study finds – The Globe and Mail

1. COVID-19 booster shots may not be needed this fall, AstraZeneca study finds  The Globe and Mail
2. AstraZeneca kicks off human trials for new vaccine targeting COVID-19 variant  Global News
3. Will we need a third vaccine dose? Here’s wh…
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