The Killer in the Lake (S05E04)

Title: The Lake's Hidden Threat Plot: A construction worker suffers a blow to the head from a tool, leading to severe headaches, dizziness, blurred vision, and nausea as a nail embeds itself in his brain. Meanwhile, a college football athlete battles debilitating headaches, nasal congestion, and vision issues caused by Aspergillus fungi infiltrating his brain. In a tragic case from 2012, an 8-year-old boy endures relentless vomiting, extreme fatigue, and seizures, ultimately succumbing to amoebic meningitis after contracting Naegleria fowleri.