A variant strain of the coronavirus, one that was first discovered in the United Kingdom, is now the dominant strain of the virus circulating throughout the United States, CDC Director Rochelle ...

Johnson & Johnson said Thursday that new data shows that its single-shot COVID-19 vaccine provides protection against the virus for at least eight months and effectively prevents infection from ...

Add Yahoo as a preferred source to see more of our stories on Google. (NewsNation) — As the weather begins to change and respiratory illnesses become more common, a highly transmissible strain of ...

The United States is seeking a massive surge in flu cases this winter, many of them attributed to the so-called "super flu." Why it matters: An unprecedented rise in flu cases comes as other ...

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

The Stratus strain, also known as the ‘Frankenstein’ variant, belongs to the SARS-CoV-2 XFG and XFG.3 lineages and has been spreading swiftly across the United Kingdom, with evidence suggesting it is ...

A new covid-19 variant that first was detected last year quickly has become the dominant strain in the U.S. Nicknamed the “kraken variant” by some, it surged through the nation and now has been ...

One reason for a spike just after the holidays is believed to be due to a strain of the flu that's being called "super flu." It's variant Influenza A, which is one of the common variants we see going ...

A new mutated strain of the common flu, influenza H3N2, subclade K, is spreading across the Northern Hemisphere, including the United States. This particular strain has gained dominance in many ...