New Delhi, Jan. 28 -- The Maharashtra state government and Union ministry of health and family welfare have together started household surveys in Pune, which is seeing a surge in Guillain-Barre Syndrome (GBS) cases across the city.

As part of the initiative, water, sewage and food samples are being picked up to find the root cause of the rare neurological condition, which remains unknown because epidemiologists are unable to figure out the etiological or causatory link for GBS, state government officials aware of the matter said.

"The disease has spread across Pune only, not in entire Maharastra. The state government is taking all the remedial measures to contain the spread of the disease. We have formed rapid response teams to take sto...