Appendicitis is inflammation or infection in your appendix. If not treated, your appendix can burst. This can be serious, even…
Gastroenteritis is a medical term for a stomach virus. Many people call it the stomach flu. It can strike anyone…
Tick-borne relapsing fever (TBRF) is a bacterial infection spread by ticks. It shows up as repeated episodes of fever, headaches,…
Respiratory syncytial virus (RSV) is a common virus that makes it hard to breathe. RSV is common in children under…
COVID-19 is highly contagious and does not yet have an approved vaccine. Symptoms may include a cough, a fever, and…
Rheumatic fever is a rare disease. It usually doesn’t happen in the United States. It’s tied to the bacteria that…
Your body removes waste through urine that’s made in your kidneys. When waste doesn’t properly leave your kidneys, it can…
Sinusitis is when the lining of your sinuses are inflamed. Due to the swelling, mucus that travels from your sinuses…
Fifth disease is a mild viral infection caused by human parvovirus B19. About half of people get fifth disease sometime…
Hepatitis B is a serious liver infection caused by a virus. It is usually spread from person to person through…
Gallstones are hard deposits that can form in the gallbladder. Some people have them but don’t have symptoms. For others,…
Dehydration is when your body doesn’t have enough fluids to work properly. It happens when you lose more fluids than…
The common cold and the flu are both contagious respiratory illnesses caused by viruses. They share many symptoms, but they…
Kidney cysts are sacs filled with fluid that form in the kidneys. These small, oval or round sacs are almost…
Bioterrorism is the use of bacteria, viruses, or germs to purposely harm large quantities of people or communities.
Lupus is a disease that causes your immune system to become overactive and attack healthy cells and tissue. Lupus can…
Pneumocystis pneumonia (PCP) is caused by a fungus. People whose immune systems are weak due to an HIV infection or…
Malaria is a serious disease caused by a parasite. The parasite is carried by one type of mosquito. Humans get…
The flu is something to take seriously. But it’s important to sort out fact from fiction to stay healthy.
Pets carry diseases or parasites that can make human sick.