The CDC has previously recommended a spring dose of the Covid vaccine to older adults and other at-risk groups. In October, the Centers for Disease Control and Prevention recommended that high-risk ...

The 2025-26 Pfizer COVID-19 vaccine is about 57% effective against emergency department/urgent care (ED/UC) visits and 54% ...

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 ...

On December 18, a San Diego emergency room nurse was given a shot of the COVID-19 vaccine. A week later, he tested positive for the virus, CNN affiliate KGTV reported. Stories like this will become ...

New FDA approval language for COVID-19 vaccines is sowing confusion about which conditions put people at greater risk for severe disease and who can avoid the inconvenience and cost of off-label ...

It’s time to consider receiving the newly updated COVID booster to better protect against the continually mutating SARS-CoV-2. Unfortunately, most Americans have COVID in their rearview mirror. Only ...

Covid vaccines continue to protect against serious illness and death, especially for people ages 65 and older, although the benefits for younger adults are not as clear, according to a large new study ...

"We cannot promise 100% chance of success," a government official said. Since the onset of the coronavirus outbreak, a vaccine has been widely regarded as the best path toward reopening society and ...

New data released Thursday by the Centers for Disease Control and Prevention suggest that the most recent Covid-19 booster offers about 54% percent protection against infection with the virus. A study ...

The ongoing Phase 3 clinical trial of Pfizer/BioNTech's coronavirus vaccine confirms its protection lasts at least six months after the second dose, the companies said Thursday. The companies can now ...

The study did not involve cases from the latest omicron surge. Both vaccination and a prior infection provided protection against another infection and hospitalization due to COVID-19 during the ...