A Feb. 16 study in the Lancet medical journal found that, for people who had COVID-19 immunity resulting from infection, protection from severe disease and death remained high for at least 10 months.

Experts say immune health isn’t about never getting sick. Instead, researchers increasingly focus on “immune resilience,” the body’s ability to respond to infections effectively and return to balance ...

Add Yahoo as a preferred source to see more of our stories on Google. Can certain infections, such as COVID, leave you more vulnerable to getting another illness? (Getty Images) (Guido Mieth via Getty ...

As the omicron variant of SARS-CoV-2 took hold across the globe in late 2021, it became readily apparent that the pandemic had entered a new phase. Having experienced a previous COVID-19 infection or ...

Nearly three years into the COVID-19 pandemic, the virus is still evolving, and new research shows just how much immunity we're getting after being infected. Those two little lines that show a ...

From your digestive system to sleep - here are the overlooked signals which indicate that it could be struggling ...

When we’re exposed to a pathogen such as a virus, our immune system identifies it as a foreign invader and mounts an attack. This ultimately results in the formation of antibodies which can neutralise ...

For at least 10 months after a COVID-19 infection, your immune system can provide good protection against symptomatic illness the next time around, a new study found, and the risk of severe illness is ...

In a recent study posted to the journal Nature, researchers showed that the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron infection without SARS-CoV-2 vaccination conferred ...

Over recent weeks, since before Thanksgiving, there has been a significant and steep rise in COVID-19-related hospitalizations for Americans 70 and older. Nationally, that rate now exceeds the peak of ...