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.

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 ...

Researchers have found that the body's process of removing old and damaged cell parts, is also an essential part of tackling infections that take hold within our cells, like TB. If this natural ...

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 ...

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 ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.

Innate immune sensors—known as pattern recognition receptors (PRRs)—detect specific molecular components of bacterial or ...

Scientists have uncovered a link between COVID-19 control measures and a surge in serious infections in children following the pandemic. Subscribe to our newsletter for the latest sci-tech news ...

The immune system’s first encounter with a virus or vaccine establishes a “starting template” that shapes its response to new variants, a phenomenon often called immune imprinting. A new study shows ...

Vaccination and infection both provide protective immunity to COVID-19, particularly against severe disease. But gaining immunity through infection is far riskier than vaccination. Posts citing a new ...