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 ...

Harmful claims that getting sick with measles confers better protection than vaccines are spreading online in Indonesia, as ...

A new study led by University of Toronto researchers has shown that immune cells in the gut follow an atypical pathway to produce antibodies that provide long-term protection against viruses.

Young children who attend nursery get sick more often than those who don't, but they will go on to have fewer illnesses ...

A COVID-19 variant was discovered that can hide from immune cells, the CDC reported. Data shows where it is spreading in ...

Covid-19 immunity could lower risk of another pandemic, study claims - Covid-19 has generated ‘a biological barrier to other ...

Modified vaccinia Ankara-Bavarian Nordic vaccine-induced antibody responses declined more rapidly than mpox infection-induced antibody responses, with mean titres dropping below the seropositivity ...

Small children are snotty. A research study that tested children for multiple respiratory viruses every week for a year found ...

Explore how immunity-boosting drinks support hydration and nutrition, with guidance on choosing safe, balanced options as part of a healthy diet.