Topline The evasive BA.5 omicron variant is driving up Covid cases and hospitalizations as it spreads rapidly across the United States—but despite deaths remaining lower compared to earlier waves, exp...
Tag: reinfection
Transmissibility, severity, reinfection of Omicron BA.2 subvariant
Sopa Images | Lightrocket | Getty Images A more contagious subvariant of omicron, known as BA.2, is spreading across the globe and could soon become the dominant version of Covid-19. It’s now th...