欧洲疾控中心：隐孢子虫病-2021年年度流行病学报告（英文版）

Cryptosporidiosis is an acute diarrhoeal disease caused by the intracellular protozoan parasite Cryptosporidium. It infects a variety of animals (e.g. cattle, sheep, rodents, cats, dogs, birds, fish and reptiles), as well as humans. Most human cases are due to two species: Cryptosporidium hominis, which mainly infects humans, and the zoonotic species Cryptosporidium parvum, which also infects domestic animals, in particular young calves and lambs. The infection can be asymptomatic or can caus