WASHINGTON -- With winter closing in and coronavirus case rates creeping up once again, White House chief medical adviser Dr. Anthony Fauci is warning that the vaccines' waning immunity combined with ...

COVID booster vaccinations reduced the likelihood of hospitalization related to COVID in patients with autoimmune diseases, with monovalent and bivalent booster vaccines showing 38% and 32% ...

Some people vaccinated against COVID-19 initially acquire strong levels of neutralizing antibodies but then experience rapid declines. Measuring immunoglobulin A antibody titers post-vaccination could ...

Add Yahoo as a preferred source to see more of our stories on Google. A health care worker fills a syringe with the Pfizer Covid-19 vaccine at Jackson Memorial Hospital in Miami, October 2021 - Credit ...

With winter just around the corner, now is the perfect time to get vaccinated against seasonal flu and other viruses.