GBS is a rare condition in which a person's immune system attacks the peripheral nerves, resulting in muscle weakness, loss of sensation in the legs and/or arms, as well as problems swallowing or breathing.

The outbreak in Pune is being traced to a pathogen called campylobacter jejuni, a leading cause of foodborne infections, and the biggest driver of GBS worldwide. The link between the two was discovered in the 1990s in rural China,

The World Health Organization (WHO) is supporting health authorities in Maharashtra to respond to suspected and confirmed cases of Guillain-Barré Syndrome (GBS) in Pune. Chetan Khade, the surveillance medical officer of WHO,

When the first outbreak happened in Pune, all heads turned and started to panic. What was this new infectious intruder? How many more epidemics or pandemics can the human civilisation sustain — Covid was bad enough,