Soutik BiswasIndia correspondent Vivek R Nair This single-celled brain-eating amoeba can enter the nose during swimming On the eve of Onam, the most joyous festival in India’s Kerala state, 45-year-old Sobhana lay shivering in the back of an ambulance, drifting into unconsciousness as her family rushed her to a medical college hospital. Just days earlier,...









