A group of tick-borne diseases of mammals including ZOONOSES in humans. They are caused by protozoa of the genus BABESIA, which parasitize erythrocytes, producing hemolysis. In the U.S., the organism's natural host is mice and transmission is by the deer tick IXODES SCAPULARIS.

Synonyms: Babesiases, Piroplasmoses, Babesia Infections, Infections, Babesia Parasite, Infections, Babesia, Piroplasmosis, Babesiasis, Babesiosis, Human, Human Babesioses, Babesia Parasite Infection, Babesioses, Human Babesiosis, Infection, Babesia Parasite, Babesiosis, Babesia Parasite Infections, Babesia Infection, Babesioses, Human, Infection, Babesia