Learn more about the diseases that live in certain animals and if they can be transferred to humans.

Knowing how germs are transmitted is key to preventing disease, and it varies for different bacteria, viruses, and other pathogens. In some cases, you have to come into direct contact with an infected ...

They are known as "kissing bugs," but instead of spreading love, they transmit a parasitic disease that can be deadly. Chagas disease is considered endemic; it's present in 21 countries in the ...

Lyme disease is the most common vector-borne illness in the United States, a potentially disabling infection caused by bacteria transmitted through the bite of an infected tick to people and pets.

From Chlamydia to Gonorrhea, Read on to know the top 8 dangerous and highly contagious STDs in the world. Check out their warning symptoms below.