Four major coronavirus variants have been discovered abroad and made their way to the U.S.
Couto also stressed that the new variants and strains also seem to result in the same wide range of illness that's come to be associated with COVID-19.There's no evidence yet that the virus has mutated in ways that allow it to evade vaccines completely, but the research into the shots' efficacy against variants is ongoing. Moderna, Pfizer, AstraZeneca and Johnson & Johnson have all released some data on how their vaccines respond to variants.
"The good news is our vaccine seems to be holding up quite well, but the contagiousness and potentially the lethality of , that's really what's concerning many of us," he said."We still have a lot of Americans who have not yet gotten vaccinated, they are extremely very vulnerable. ... The data that's emerging suggests that if you have been vaccinated, you're going to be fine ...
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