Summer has just begun and already there are signs we may be seeing a new wave of COVID-19 cases. This is prompting calls for fourth doses of the vaccine. Caryn Lieberman reports.
- Confused about mixed messaging for 4th COVID doses? You’re not alone
- Ontario likely in new COVID wave driven by BA.5 subvariant, science table says
- U.S. pharmacists can now prescribe Pfizer’s COVID-19 pill to at-risk people, FDA says