The body’s immune system is constantly fighting a war against pathogens such as viruses, bacteria and even parasites.

Though symptoms of a cold and the flu are similar, the two illnesses develop at different rates, with colds often beginning ...

The immune system is very good and "wins" most of the time, but you are quite right that symptoms like a low-grade fever, ...

Enterovirus infections often cause no symptoms or mild flu-like symptoms. Though rare, they can lead to serious complications. Children and people with weaker immune systems are most at risk.

A two-year-old girl from Andhra Pradesh succumbed to bird flu more than a fortnight ago, authorities have confirmed. The ...

The influenza virus, COVID-19 and the common cold are caused by different viruses. Consider getting vaccinated to keep yourself safe, health experts advise. Michigan health officials say the ...

My question relates to a situation where a person gets a vaccine for, say, flu, COVID or shingles and is later exposed to the virus. Is it ...

The influenza virus, COVID-19 and the common cold are caused by different viruses. Consider getting vaccinated to keep yourself safe, health experts advise. Michigan health officials say the number of ...