Dr. Barron says the rethinking of mitigation recommendations – including masking - is all about how quickly the delta variant may spread.
Dr. Barron says the rethinking of mitigation recommendations – including masking - is all about how quickly the delta variant may spread.
Dr. Michelle Barron, says one thing that hasn't changed recently about COVID-19 recommendations is that if you are not vaccinated..
Researchers still have a lot to learn about the Delta variant. However, they do know that is it quickly spreading among..