Mononucleosis, or “mono”, is called the kissing disease because it is spread through a virus in your saliva. You can get it from kissing someone who is infected, sharing a toothbrush, or drinking from someone else's glass. Mono is spread from person to person, but it is harder to catch than the common cold. For most people mono is not a dangerous disease.
This is a group of viruses that infect your respiratory tract. Most people will be infected with a coronovirus at least once in their life. Usually, symptoms are mild or moderate, and may seem like those of a common cold. But some coronaviruses can be very dangerous.
The hepatitis C virus is another type of hepatitis virus that causes an inflammation of the liver. HCV is transmitted though exposure to infected blood or blood products. In this video, you'll find out more about how it's transmitted, what treatments are available, and what you can do to protect yourself from this disease.
Hepatitis B is one of five virus types that cause hepatitis, an inflammation of the liver. Hepatitis B is considered a sexually transmitted infection. This video takes an in-depth look at hepatitis B—how common it is, how it is spread, and what you can do to prevent its transmission.