Cold Blooded Killers (S02E03)

A nine-year-old hockey player contracts encephalitis caused by Acanthamoeba, leading to severe issues with his focus and balance, putting his life at risk. Meanwhile, a computer programmer suffers from debilitating malaria due to the Plasmodium parasite, which results in a loss of mental clarity and post-malarial neurological effects that emerge two weeks after he seems to have recovered. Additionally, a marathon runner is affected by Leishmaniasis, resulting in significant swelling of his spleen.