New ‘Cicada’ COVID Strain Prompts Alert as Symptoms Emerge ...

COVID-19 mutates more rapidly than other respiratory illnesses, such as the flu, which raises ongoing concern that a new, ...

Experts explain why this particular strain is more likely to overcome immunity from vaccination or previous infection.

The new COVID-19 variant BA.3.2 is being monitored by epidemiologists — but it doesn't account for a major surge of cases yet ...

A relatively rare variant of the COVID virus has popped up in Ohio. Experts say it isn't more severe than other strains, but ...

An infectious disease specialist took the time to explain what herd immunity is, how it works and when it might affect the spread of COVID-19. Dr. Frank Esper works for the Cleveland Clinic Children's ...

A heavily mutated COVID-19 variant called "Cicada" has caught the attention of public health experts, who warn that the ...

SAN FRANCISCO -- It's a story that has been making headlines across the United States: Did Californians develop herd immunity after possibly being exposed to novel coronavirus last year? On Thursday, ...

Covid-19 was never just another cold. We knew it was going to stick around and keep changing to try to get the upper hand on our immune systems. But we've changed, too. Our B cells and T cells, ...

A new COVID-19 variant that some have dubbed the "Cicada" variant is quietly spreading across the globe, carrying an unusually high number of mutations that could help it slip past existing immunity, ...