Booster Needed for Delta and Lambda Variants
Scientists may have underestimated the coronavirus. In the beginning, they said mutated versions shouldn’t be much of a problem—until Alpha spiked last fall. Then, Beta made young people sicker. And …
variants
Unraveling the Mysterious Mutations That Make Delta the Most Transmissible Covid Virus Yet
By Liz Szabo, Kaiser Health News Upon first inspection, the mutations in the highly contagious delta covid variant don’t look that worrisome. For starters, delta has fewer genetic changes than …