Nipah is a rare but severe virus that can cause respiratory illness and inflammation of the brain. It’s what’s known as a zoonotic virus, meaning it jumps from animals to humans, most commonly from fruit bats, also known as flying foxes.

Severe cases can lead to brain swelling, or encephalitis, where symptoms can include confusion, drowsiness and seizures.

An uncommon tick-borne illness called Powassan virus is making headlines in New England right now because a newborn baby in Massachusetts is believed to have it. Here in Connecticut, the CDC says three people have contracted the virus this year. All have ...

This sexually transmitted infection is almost entirely preventable. Here's what experts say you really need to know to protect yourself.

Two cases of deadly Nipah virus reported in India, prompt increase in airport screenings to prevent spread and virus outbreak. Here's what to know.