Haplorchis pumilio

Haplorchis pumilio is a species of parasitic flatworm, or fluke, which has recently been found to infect humans. It was first described by Arthur Loos in 1896 from a bird in Egypt and included in the genus Haplorchis in 1899. It's considered an emerging disease due to its new introduction to the Americas and its zoonotic abilities which give it potential for spread that could lead to localized outbreaks. It infects snails, fish, birds, humans, and select other mammals and is characterized by a unique sterile soldier cast that works to defend the host from other parasites.