Evidence Builds That an Early Mutation Made the Pandemic Harder to Stop

Evidence Builds That an Early Mutation Made the Pandemic Harder to Stop

Scientists were initially skeptical that a mutation made the coronavirus more contagious. But new research has changed many of their minds. As the coronavirus swept across the world, it picked up random alterations to its genetic sequence. Like meaningless typos in a script, most of those mutations made no difference in how the virus behaved.

By Miki