Unvaccinated people who had survived a previous COVID-19 infection were more than five times more likely to be reinfected with the virus compared to those who were fully vaccinated with the Pfizer or ...

With COVID-19 as with life: When parents take a few jabs, their kids gain protection. New research from Israel shows that unvaccinated children whose mothers and fathers were fully vaccinated not only ...

The benefit is not just protecting against severe disease. With a COVID vaccine for younger children given the final go-ahead, millions more Americans as young as 5 years old can now roll up their ...

Dr. Aaron Kheriaty, a psychiatry professor at the University of California, Irvine, felt he didn’t need to be vaccinated against Covid-19 because he’d fallen ill with the disease in July 2020. So, in ...

It’s been about six months since the pharmaceutical maker AstraZeneca released a COVID-19 antibody treatment called Evusheld. It’s designed to stop COVID-19 from infecting people with weak immune ...

Discover new COVID variant symptoms in 2026, understand respiratory infection risks, and learn effective protection ...

The first real-world data on the new omicron vaccines find that they are better at preventing symptomatic Covid infections than the earlier doses, the Centers for Disease Control and Prevention said ...

MIAMI – The latest COVID-19 variants are taking their toll on the United States as medical researchers eye the next generation of protection. BA.4 and BA.5 are said to spread more easily and evade ...

Adults who aren’t current on their COVID-19 vaccine booster doses may have "relatively little remaining protection" against hospitalization compared to those who haven’t been vaccinated at all, ...

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 ...

Michele Nadeem-Baker is steeling herself for another winter. Diagnosed with chronic lymphocytic leukemia in 2012, she lives with an impaired immune system that even a third dose of Moderna’s Covid-19 ...

Starting this weekend, Californians may face additional costs for COVID-19 vaccines, treatments and testing outside their health plan network — a potential unwelcome surprise for those who’ve put off ...