The Pune Municipal Corporation (PMC) has sealed 19 private RO plants in the Nanded village area, the epicentre of the Guillain-Barré syndrome (GBS) outbreak in Pune, after tests confirmed that the water from these facilities was unfit for drinking, officials said on Wednesday, reported the PTI.

During the day, four fresh cases of suspected Guillain-Barré syndrome (GBS), a rare nerve disorder, were reported in Pune district of Maharashtra, taking the overall tally in Maharashtra to 170, they said.