Add Yahoo as a preferred source to see more of our stories on Google. Every summer for the past several years, including this summer, COVID cases have increased throughout the United States as people ...

A new COVID variant is on the rise amid a nationwide summer surge of cases and it's on track to become the third most common strain. Variant XFG, colloquially known as "Stratus," was first detected in ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

Some states are being hit harder than others this summer as a new COVID-19 strain (XGF) continues to spread. Some regions of the U.S. are still experiencing higher rates of positive COVID tests than ...

As the respiratory illness season begins, COVID cases have remained relatively under control in the United States into the beginning of fall. While the United States by and large is experiencing ...

This variant is slightly more infectious than previous variants. COVID-19 cases were relatively low across the country for most of the summer, but they’re now creeping up again. Data shows that this ...

As the weather cools and fall approaches, COVID-19 cases are still spiking in much of the United States. The country has yet to emerge from a late summer COVID wave driven by the highly contagious new ...

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, ...