During those terrifying early days of the pandemic, scientists offered one piece of reassuring news about the novel coronavirus: It mutated slowly. The earliest mutations did not appear to be consequential. A vaccine, if and when it was invented, might not need regular updating over time.
Democracy Dies in Darkness
Virus mutations aren’t slowing down. New omicron subvariant proves it.
Updated May 1, 2022 at 5:00 p.m. EDT|Published May 1, 2022 at 2:29 p.m. EDT