Pune: The National Institute of Virology (NIV) has found the presence of norovirus and the bacteria Campylobacter jejuni in samples of 21 Guillain-Bar.

The state health department, on Tuesday, set up a Rapid Response Team (RRT) to investigate the sudden rise in this infection after 24 suspected cases were found initially, they added.

Pune: Water tests from neighbourhoods in and around areas that have reported Guillain-Barré Syndrome cases has shown residual chlorine levels between .