Asian countries are on high alert after cases of the deadly Nipah virus were detected in West Bengal, India. The zoonotic virus can spread between animals and people, mostly fruit bats and pigs, with mild to severe symptoms from fevers to brain infection and death, according to the Cleveland Clinic.

Nipah virus: Nipah virus has caused only a few known outbreaks in Asia; however, it infects a wide range of animals and causes severe disease and death in people. Symptoms include fever, headache, drowsiness,

Nipah Virus is a deadly zoonotic threat that has resurfaced in some parts of the globe, further raising global health concerns

Two nurses in eastern India have been infected with the Nipah virus, prompting quarantines, expanded testing and heightened surveillance.