Kerala is grappling with a concerning rise in cases of Naegleria fowleri, the deadly “brain-eating” amoeba, prompting heightened vigilance from state health authorities. The outbreak has resulted in 69 confirmed infections and 19 deaths as of mid-September, marking a significant increase compared to the previous year.
Naegleria fowleri is a free-living amoeba commonly found in warm freshwater bodies such as lakes, rivers, and inadequately maintained swimming pools. Infection occurs when contaminated water enters the nasal passages, allowing the amoeba to reach the brain and cause Primary Amoebic Meningoencephalitis (PAM), a rare but almost always fatal condition.
Health officials warn that early symptoms, including headache, fever, nausea, and vomiting, can rapidly progress to neurological complications such as confusion, seizures, and coma. Due to the rapid progression of PAM, the majority of cases result in death, with only a few survivors recorded worldwide.
In response to the surge, the Kerala Health Department has issued guidelines for preventive measures. Authorities recommend avoiding swimming in stagnant freshwater during high-temperature periods, using nose clips while bathing in natural water bodies, and ensuring proper chlorination of pools. Hospitals across the state have been advised to maintain heightened surveillance for suspected PAM cases and initiate immediate treatment protocols.
Experts emphasize the importance of public awareness, noting that early detection and prompt medical intervention, although rarely successful, remain critical. Dr. Anil Kumar, an infectious disease specialist in Thiruvananthapuram, said, “While the disease is extremely rare, the recent spike in cases highlights the need for precautionary measures and timely reporting of any suspicious symptoms following exposure to freshwater bodies.”
Kerala’s rise in Naegleria fowleri cases has drawn attention to the broader risks of waterborne infections in tropical climates, particularly during the hot and humid months. State authorities continue to monitor affected districts closely, with ongoing efforts to educate the public about safety measures and ensure rapid medical response.



