Definition Whipworm infection is an infection of the large intestine with a type of roundworm. Whipworm (Trichuris trichiura) is an intestinal parasite of humans. The larvae and adult worms live in the intestine of humans and can cause intestinal disease. The name is derived from the worm’s distinctive whip-like shape. …

Definition Cryptococcosis is a disease caused by fungi from the genus Cryptococcus that infect humans and animals, usually by inhalation of the fungus, which results in lung infection that may spread to the brain, causing meningoencephalitis. Cryptococcosis History In 1894 in Italy, Francesco Sanfelice was the first to isolate Cryptococcus …

Introduction Pellagra is a disorder due to inadequate dietary intake of niacin and/or tryptophan, manifested by a characteristic dermatitis on areas of the skin that are exposed to the sun, beginning as an erythema with pruritus that may lead to vesticulation but more frequently becomes chronic, rough, scaly, and hard …

Definition Cat scratch disease is an infection you can get after a cat scratches, bites, or licks you. It is caused by bacteria in cat saliva. Cats likely get the bacteria from fleas. Cat-scratch disease is also called cat-scratch fever. It is not a severe illness in healthy people. But …