Infectious mononucleosis is most often caused by the Epstein-Barr virus (EBV), a member of the herpes virus family. Less ...

Discover what happens when Nipah virus infects the body, its early symptoms, effects on lungs and brain, and the latest cases ...

Nepal, Feb. 2 -- Nipah virus, a deadly zoonotic virus, was first reported in Malaysia in 1998. The country documented a total of 265 human cases, including 105 deaths (nearly 40 percent), largely ...

How long are you contagious with the flu? Experts say you can spread the virus for five to seven days after symptoms start, ...

A doctor warns of 'double COVID' as UK cases rise. Learn about the terrifying razor blade symptom, the latest Nimbus variant, ...

Flu activity has ticked back up slightly in the US, thanks to a very small increase in infections caused by influenza B — ...

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Trying to understand why the common cold hits some people hard – sometimes leading to serious medical complications – but ...

Ever wondered about that funny feeling when your voice goes rough? Linguists trace the idiom "frog in my throat" to the late 19th century, likening a husky voice to a frog's croak. This common ...

Sexually transmitted diseases (STDs), also called sexually transmitted infections (STIs), are far more common than many ...

School officials say additional schedule changes are possible if illness continues to spread; the Colton School District said ...