• 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.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2021
• A malaria-like, tickborne, protozoan zoonosis that is caused by Babesia.
  NICHD Pediatric Terminology
  U.S. National Cancer Institute, 2021
• A parasitic infection caused by Babesia. It is transmitted by ticks and infects the red blood cells. Signs and symptoms include fever, fatigue and hemolytic anemia.
  NCI Thesaurus
  U.S. National Cancer Institute, 2021
• Tickborne disease caused by infection with protozoa; occurs in wild and domestic animals; in humans causes malaria-like symptoms, myalgia, nausea and splenomegaly; classic zoonotic disease.
  CRISP Thesaurus
  National Institutes of Health, 2006
• Babesiosis is infection with Babesia species of protozoa. Infections can be asymptomatic or cause a malaria-like illness with fever and hemolytic anemia. Disease is most severe in asplenic patients, older patients, and patients with AIDS. Diagnosis is by identification of Babesia in a peripheral blood smear, serologic test, or polymerase...
  Merck Manuals
  Merck & Co., Inc., 2020
• Babesiosis is a tick-borne malarialike illness caused by species of the intraerythrocytic protozoan Babesia. Humans are opportunistic hosts for Babesia when bitten by nymph or adult ticks.
  Medscape
  WebMD, 2019
• Babesiosis refers to a condition caused by microscopic parasites that infect the red blood cells. Many people who are infected with Babesia parasites do not experience any symptoms of the condition. When present, signs and symptoms may include flu-like symptoms such as fever, chills, headache, body aches, nausea and fatigue. In severe...
  NIH Genetic and Rare Diseases
  National Center for Advancing Translational Sciences
• Babesiosis is a tick-borne zoonotic disease typically characterized by fever, hemolysis, and hemoglobinuria. It is most frequently caused by the intraerythrocytic parasite Babesia microti , commonly transmitted through the bite of Ixodes ticks (deer ticks).
  Epocrates
  Athenahealth, Inc., 2019
• Babesiosis, any of a group of tick-borne diseases of humans and other animals caused by species of Babesia, protozoans that destroy red blood cells and thereby cause anemia. The Babesia genus was named for Romanian pathologist Victor Babes, who discovered the organisms in the late 19th century in...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2020