The U.S. Centers for Disease Control and Prevention (CDC) reported that the KP.3.1.1 COVID-19 variant is now the most common strain in the United States, but a spokesperson added that there is no ...

A COVID-19 variant responsible for the vast majority of recent U.S. cases likely isn’t more severe than prior strains, according to early data from the U.S. Centers for Disease Control and Prevention ...

A new, highly mutated Covid variant is quietly spreading across the US, prompting the CDC to take notice. The variant, known as BA.3.2, first appeared in South Africa in November 2024 and scientists ...

The landscape of COVID-19 research continues to evolve as scientists uncover new insights about SARS-CoV-2 variants and their impact on vaccine effectiveness. This ongoing scientific journey reveals ...

As Covid cases rise in more than half of the United States, concerns about troubling new variants loom. "States are seeing a growing proportion of their Covid-19 cases attributed to variants," Centers ...

The new CDC report found that the new variant has spread to 25 U.S. states and 23 countries worldwide. Reading time 3 minutes Scientists at the Centers for Disease Control and Prevention are tracking ...

ATLANTA, Ga. — The delta variant that’s now the dominant strain of coronavirus in the U.S. appears to be as transmissible as chickenpox, according to an internal document from the Centers for Disease ...

The highly contagious variant first identified in the U.K. is now the most common Covid strain circulating in the U.S., the head of the Centers for Disease Control and Prevention said Wednesday. The ...