There are 4 calories in 1 ounce of Iceberg Lettuce (Includes Crisphead Types). Calorie breakdown: 8% fat, 76% carbs, 16% protein.
Cryptosporidium (crip-toe-spor-ID-ee-um) is a protozoan, a single-celled parasite that lives in the intestines of animals and people.
What is Cyclospora? Cyclospora is a one-celled parasite too small to be seen with the naked eye (only 8 to 10 microns in diameter). Its full name is Cyclospora cayetanensis. It used to be called by such names as cyanobacterium-like, coccidia-like and Cyclospora-like bodies (CLBs).