Giardia is an infection from drinking contaminated water. It can cause abdominal pain, diarrhea, gas, a headache, appetite loss, and vomiting. It will sometimes go away on its own but you may/also...
Giardiasis is caused by a protozoa names Giardia lamblia. It is a water born pathogen that is excreted int he stool of people and many animals. The next host gets it when they drink the contaminated...