Guwahati, April 14 -- In Assam's Sivasagar district, a series of unusual suspected envenomation cases linked to unidentified aquatic organisms in shallow pond waters has raised concern among local health workers.

The issue came to light after a resident, Shahidul Islam, suffered sudden severe pain, vomiting, and infection following a bite-like injury while fishing in a household pond in Demow. This prompted doctors to explore an experimental treatment approach that has reportedly shown early signs of improvement in multiple patients.

A cluster of medically unexplained bite-like injuries in water bodies across Demow in Sivasagar district has left health workers searching for answers, after more than 100 patients reportedly showed symptom...