New Delhi, March 3 -- justify;">Guillain-Barre Syndrome (GBS) is a rare but serious autoimmune disorder in which the immune system mistakenly attacks the peripheral nerves. Much like an electrical wire is insulated, nerves in the body are covered with a protective myelin sheath but following an infection-often a flu-like illness or gastrointestinal infection-the immune system can mistakenly target this sheath, leading to nerve damage.

This disrupts the transmission of signals responsible for muscle movement and sensory functions, causing muscle weakness, tingling sensations and, in severe cases, paralysis of the limbs or facial muscles. According to WHO, about one-third of patients experience chest muscle involvement, which can make brea...