In 2015, a 14-year-old patient developed rapid-onset schizophrenia with hallucinations, thoughts of suicide and homicide. He also believed his cat was trying to kill him, which was closer to the truth than you might think.
His pet cat was not, in fact, a homicidal maniac but it did harbor the pathogen Bartonella henselae, which is associated with ‘cat scratch disease.’
This bacterium is typically found in cat blood, particularly that of kittens, and just one bite or scratch can be enough to transmit the pathogen to humans, causing localized swelling and lesions, in addition to issues in the heart and nervous system. (RT)