The Nipah virus outbreak in India’s West Bengal has prompted several Asian countries to introduce airport screenings and health checks.
Thailand, Nepal, and Taiwan now screen travelers arriving from West Bengal. The outbreak has killed several people in the region, including healthcare workers.
No vaccine or cure exists for the virus, which spreads from animals to humans. Countries across Asia are taking steps to protect their populations.
What Is Nipah Virus?
The Nipah virus spreads from fruit bats and pigs to humans. It can also spread between people through close contact or contaminated food.
Malaysia first identified the virus in 1998. Since then, it has posed a threat to public health in Bangladesh and India.
Symptoms include fever, headaches, muscle pain, sore throat, and vomiting. The infection can progress to encephalitis, a brain inflammation that can be fatal.
The fatality rate ranges from 40% to 75%. No vaccine or specific treatment exists, which makes containment difficult once the virus spreads.
Current Situation in India
The first confirmed cases in West Bengal appeared in December. The Indian Ministry of Health has traced and monitored people who had contact with infected individuals.
Officials have tested 196 contacts. All tested negative for the virus.
Health authorities continue to monitor the situation.
Airport Screenings Across Asia
Thailand has targeted passengers arriving at airports in Bangkok and Phuket from West Bengal. Authorities require health declarations from travelers and screen for symptoms upon arrival.
Nepal screens individuals at Kathmandu’s airport and along land border points with India.
Taiwan has also introduced enhanced screening protocols.
These measures aim to prevent the virus from spreading to other parts of Asia.
Advice for Travelers
Travelers heading to Thailand, Nepal, Taiwan, or India should follow health and safety instructions from local authorities.
People who recently visited India or areas with confirmed outbreaks should expect extra checks, particularly at airports and tourist areas.
Health officials recommend caution in places with large gatherings, including tourist spots and nature parks in Thailand.
Past Outbreaks
The first major outbreak occurred in Malaysia in 1998. The virus linked to pigs killed over 100 people. It spread to Singapore before authorities contained it by culling one million pigs.
Bangladesh and India have faced recurring outbreaks since then. Kerala has been hit particularly hard.
In 2018, Kerala reported 19 cases. Seventeen people died. In 2023, six confirmed cases led to two deaths.
These incidents have increased awareness and preparedness in healthcare settings.
Health Precautions
Travelers to India, Thailand, Nepal, or Taiwan should take these steps to reduce infection risk:
- Avoid direct contact with pigs and bats
- Check travel advisories from local authorities
- Wash hands frequently and wear face masks in crowded spaces
- Prepare for screenings or delays at airports if traveling from affected regions
- Monitor your health and seek medical care if you develop fever, headaches, or muscle pain
The Bottom Line
Countries across Asia are monitoring the Nipah virus outbreak and have increased health protocols. Travelers should stay informed about health guidelines and take precautions to reduce exposure risk.

