What is the role of peripheral blood smears in the workup of babesiosis?

Updated: Apr 01, 2021
  • Author: Rachel E Strength, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Babesiosis is usually diagnosed by microscopic examination of Giemsa-stained or Wright-stained thin or thick blood smears. [28] The ability to identify babesiosis depends on the expertise and experience of the microbiologist or physician and the degree of parasitemia. 

Blood smear showing Babesia species in erythrocyte Blood smear showing Babesia species in erythrocytes. Image courtesy of Centers for Disease Control and Prevention.
Peripheral smear showing babesiosis. Peripheral smear showing babesiosis.


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