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.

Our immune system implements an array of strategies to combat threatening infections. White blood cells called cytotoxic T ...

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 ...

A new longitudinal study provides critical insights into the intricate interplay between human immunity and viral evolution ...

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 ...

Your immune system may be getting smarter every time you encounter COVID-19, a new study suggests. After getting vaccinated and infected, the immune system generates broader defenses against the virus ...

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 ...

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 ...

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 ...

Get it early, develop immunity, get back to work: some wonder As COVID-19 numbers climb precipitously, health care workers, first responders and the countless individuals working in "essential ...