Maharashtra's Guillain-Barre Syndrome (GBS) outbreak may be linked to contaminated water, with E coli and Campylobacter Jejuni identified as potential causes. Nutritionist Soumita Biswas advises boosting immunity with vitamin C-rich foods, lean proteins, and healthy fats, while avoiding raw meat, unpasteurized dairy, and high-sugar foods. Boiling water and good hygiene can prevent infections.