Biology Photo: Toxoplasma gondii and Neurotoxoplasmosis

Source: Modification of work by USDA

Neurotoxoplasmosis is an infection caused by Toxoplasma gondii parasite. The condition often affects AIDS patients who are immunocompromised resulting in the development of brain abscesses. The parasites are present almost everywhere and cats are the ultimate host. People can become infected by eating meat contaminated with cysts containing inactive form of the parasite shed in a cat’s feces. Symptoms include body aches, swollen lymph nodes, headache, fever, and weakness. The photo shows a Toxoplasma gondii cyst containing thousands of inactive form of the parasite observed in brain tissue of a mouse.


OpenStax Microbiology. Neurotoxoplasmosis. Accessed November 11, 2019


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