As temperatures drop, respiratory ailments including common colds, flu, and coronavirus are surging. Currently, two COVID strains are gaining momentum as they emerge as the most prevalent variants.

California may be headed to an earlier-than-normal start to the summer COVID-19 season, with coronavirus concentrations in sewage rising in some areas along with the statewide positive-test rate. The ...

People who experience fatigue, fever, muscle pain and chills after they get vaccinated for COVID-19 appear to have stronger and longer-lasting protection from serious coronavirus infections, according ...

Dr. Biernbaum concurs, noting, "Cough, fever and sore throats are typically the most common symptoms we see, but COVID-19 symptoms can also include congestion, fatigue, loss of taste or smell, muscle ...

The U.S. approved updated COVID-19 vaccines Monday, hoping to rev up protection against the latest coronavirus strains and blunt any surge this fall and winter. The Food and Drug Administration ...

Ian Haydon helped test Moderna's coronavirus vaccine last year. Now, he's helping test the tweaked version of that vaccine designed to fight a new, more contagious variant. "A year ago I tried the ...

WASHINGTON - A panel of advisers to the U.S. Centers for Disease Control and Prevention on Thursday continued discussing specific recommendations about who should get Pfizer’s COVID-19 booster shot — ...

A surge in COVID-19 infections has swept the country this summer, upending travel plans and bringing fevers, coughs and general malaise. It shows no immediate sign of slowing. While most of the ...

In October, the Centers for Disease Control and Prevention recommended that high-risk adults get a second updated Covid vaccine to bolster their protection against the virus. No other vaccines are ...