A nine-year-old boy is among the four who tested negative for Nipah virus. The Kozhikode hospital where the boy was treated said it was the first time in the world that a Nipah patient on ventilator support had returned to life.
Nipah virus has killed two people and infected three others in Kerala's Kozhikode district so far. The ICMR advised people to wash hands and wear face mask as precautionary measures against the brain-damaging virus