Health experts emphasize that prevention is the most effective way to protect against Nipah virus infection, as no specific treatment exists and the

Severe cases can lead to brain swelling, or encephalitis, where symptoms can include confusion, drowsiness and seizures.

Health authorities are advising travelers to maintain good hygiene and avoid animal contact amid a Nipah virus outbreak in India's West Bengal state, which has prompted tighter disease surveillance across Asia.

With Asian countries on high alert, here are the health guidelines and prevention steps to avoid Nipah virus infection while traveling abroad.