Deltaβs here; Iβm vaccinated; how cautious should I be? | MIT Medical
When designating a βvariant of concern,β the WHO and CDC look for specific mutations that might cause that variant to be more transmissible, more severe, more likely to evade the protection conferred by prior infection or vaccination, and/or more difficult to treat or diagnose. Delta checks off at least two of those boxes in a big way.
