Kerala has reported its fourth case of amoebic meningoencephalitis, a rare brain infection caused by the amoeba Naegleria fowleri, since May. A 14-year-old boy from Payyoli is currently being treated, and his condition is improving. Previous cases have resulted in the deaths of three children. Health officials urge the public to avoid unclean waterbodies and ensure proper chlorination of swimming pools. Preventive measures are crucial to stop the spread of this deadly infection.