Toxoplasma Gondi infection is usually mild except in immunocompromised people, like those with severe aids. The behavioral stuff is likely overblown or fake considering 50% of the world is infected.

Sugden, Karen; Moffitt, Terrie E.; Pinto, Lauriane; Poulton, Richie; Williams, Benjamin S.; Caspi, Avshalom (17 February 2016). "Is Toxoplasma Gondii Infection Related to Brain and Behavior Impairments in Humans? Evidence from a Population-Representative Birth Cohort". PLOS ONE. 11 (2): e0148435. Bibcode:2016PLoSO..1148435S. doi:10.1371/journal.pone.0148435. PMC 4757034. PMID 26886853.