In July 2015 the Thomas Jefferson Health District in Virginia investigated an outbreak of cryptosporidiosis in 14 persons who reported contact with calves from one goat farm. Stool samples were collected from ill humans and calves. Four human specimens and 3 calf specimens were positive for Cryptosporidium.

Investigators learned that 8 calves from one goat farm had been sold or re-sold to five separate families. All eight calves were ill upon or shortly after purchase. Five calves died. Risk factors included touching, holding and/or bottle feeding calves.