CDC Announces 2600% Increase in Babesia in Wisconsin

CDC Announces 2600% Increase in Babesia in Wisconsin

What is Babesia?

Babesiosis, or “Babesia” is an Apicomplexan parasite that infects red blood cells causing a disease which is spread by the black-legged tick Ixodes scapularis. This tick also spreads Lyme disease, anaplasmosis, and recently the more immediately deadly Powassan virus. Babesia microti, is a relative of the parasite that causes malaria.

What are the Symptoms?

Some people will have no symptoms when infected, while in others,  the illness can be fatal. It can take up to two weeks for symptoms to show in someone who is infected.

Symptoms of babesiosis include:

  • fatigue
  • weakness
  • nausea
  • diarrhea
  • high fever
  • kidney damage
  • heart failure
  • night sweats

Babesia in Wisconsin Facts

  • 96% of cases reported between April and October
  • Between 2001 and 2015, there were 430 cases reported in Wisconsin.
  • Out of 430 cases in Wisconsin, 158, or 65% of the people were hospitalized, and three people died as a result of the infection.
  • Wisconsin did not begin screening its blood supply for the babesiosis parasite until 2016.
  • Before Wisconsin started screening for Babesia in the blood supply, three cases of the infection spread through transfusion with contaminated blood.

 For Full Story Please Read:
CDC Reports 2600% Increase in Tick-Borne Babesiosis Infections in Wisconsin in 12 Years

Lyme in Wisconsin


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