With the rise of omicron came the fall of long-lasting protection from reinfection with the pandemic coronavirus SARS-CoV-2, according to a study published in Nature. Using population-wide data from ...

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 ...

NEW YORK -- Two encouraging studies suggest that people who recovered from COVID-19 had immune responses to the virus long after antibodies faded, even up to one year later. The findings may help put ...

DEAR DR. ROACH: My daughter was recently visiting and tested positive for COVID. Since my last COVID vaccine was eight months ago, I searched for how much protection I still had and understood the ...

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 ...

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. The agency now recommends ...

This study shows that SARS-CoV-2 infection and vaccination generate strong, highly specific spike-binding immune responses ...

Cornell researchers have developed a new vaccine platform that could provide more robust, longer-lasting protection from both ...

The JN.1 COVID-19 variant now makes up more than 93 percent of cases, according to latest tracking from the Centers for Disease Control and Prevention (CDC). That’s a major leap from two months ago ...

Vaccinated patients with COVID had 32% lower odds of retinal edema (odds ratio [OR], 0.68; 99.5% CI, 0.54-0.85), 45% lower odds of vitreous hemorrhage (OR, 0.55; 99.5% CI, 0.44-0.68), and 40% lower ...