Giardiasis is an intestinal infection caused by the parasite Giardia lamblia. It is one of the most common waterborne diseases worldwide.
Transmission of Giardiasis
Giardiasis is primarily transmitted through the following routes:
A peptic ulcer is a sore that forms on the lining of the stomach, small intestine (usually the duodenum), or esophagus. These ulcers occur when the protective mucus layer of the digestive tract is damaged, allowing stomach acid to erode the tissue.