A recent meta-analysis in the Lancet compared protection conferred upon individuals by prior infection from COVID-19 and vaccination against the virus and found protection from a prior COVID infection ...

A new study found that a previous COVID-19 infection offers at least the same level of protection as two doses of high-quality mRNA vaccines, such as Moderna and Pfizer-BioNTech. Additionally, people ...

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 ...

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 ...

Hundreds of thousands of people in the Bay Area who rolled up their sleeves for a COVID-19 shot received one from Johnson & Johnson, Moderna or Pfizer. Boost Study researchers at UCSF looked at nearly ...

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 ...

A comprehensive account of the strategies implemented by the National Basketball Association (NBA), which include a social bubble, to mitigate COVID-19 exposure during the 2019-2020 season has ...