Kerala, India mein health alert jari hua hai jab Naegleria fowleri (brain-eating amoeba) ke cases double ho gaye. Is saal 72 infections aur 19 deaths report hui hain, sirf September mein 9 deaths. Yeh rare water-borne infection 95% fatal hai, contaminated paani nose se enter karta hai. Govt ne state-wide large-scale testing start kar di hai.