Nipah virus outbreak: Nipah virus, a rare but deadly zoonotic disease, is highly infectious and fatal and there is no treatment or cure. Dr. Deep Das, a neurologist, has explained that nipah virus can impact human brains and can cause inflammation.

UK Health Security Agency bosses have designated the Nipah virus as a "high priority pathogen" due to its high fatality rate and lack of proven treatment for the illness

Bird flu (avian influenza) has been confirmed in Darbhanga, Bihar, after thousands of crows died, triggering high alert.