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.
Chickenpox is a viral illness that spreads very easily from person to person. The virus that causes chickenpox can stay in the body after the illness and later cause shingles. Learn about its symptoms and how it's treated.
Rocky Mountain spotted fever is a bacterial infection that can be spread through tick bites. It's a serious illness, but it can be cured with medicine if caught early.
