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 …
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 …
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 …