More transmissible, wilier variant makes Covid-19 vaccinations even more crucial, experts say
It’s getting even riskier to remain unvaccinated.
The United States, as a whole, is still in good shape for the summer of reunions and revived activities. But for those who haven’t been immunized against Covid-19, there is a new concern: the emergence of yet another coronavirus variant, one with a nasty combination of features that makes it even more dangerous than the other strains that have caused global alarms.
