Gonorrhea is a sexually transmitted infection (STI) caused by bacteria (germs), called Neisseria gonorrhoeae. It is one of the most common bacterial STIs.

Giardia is a parasite that causes an infection in the intestinal track. Symptoms usually start 3 to 25 days after being exposed to the parasite.

Cryptosporidiosis (crypto) is an infection caused by a group of parasites (germs), called cryptosporidium. Most infections occur in a person’s stomach and intestines (gastrointestinal tract). Infections can occur in other parts of the body, such as the lungs. These germs can infect humans, cattle, and other animals.

Chlamydia is a sexually transmitted infection (STI) caused by bacteria (germs), called chlamydia trachomatis. It is one of the most common bacterial STIs.

Chickenpox is a common and preventable infection caused by the varicella-zoster virus.

Campylobacter enteritis is an infection caused by a group of bacteria, called Campylobacter. These germs live mostly in the intestines of animals, including poultry, cattle, rodents, and household pets.

Botulism is a rare infection caused by the bacteria, Clostridium botulinum. These germs make a toxin (poison) that affects your nervous system and can cause paralysis. This germ is found worldwide in soil and dust and also can be found in the intestines of animals.

Amebiasis is an infection caused by a parasite, called Entamoeba histolytica.  It lives in the feces (poop) of a person.  Most infections occur in a person’s stomach and intestines (gastrointestinal tract).  In some people, the disease may occur in the liver, lungs, skin, and other parts of the body.