Nipah Virus
Mufid Majnun/Unsplash

Reports of new Nipah virus cases in India have once again brought the disease to global attention. With a fatality rate that can climb as high as 75 per cent and no approved vaccine or antiviral treatment, Nipah is often described as one of the world's most dangerous pathogens.

However, Nipah isn't new. It has surfaced and resurfaced in a small group of countries over the past three decades. According to experts, understanding where outbreaks have happened before, how they spread, and what changed afterwards helps separate real risk from alarm.

Here are the countries that have experienced Nipah virus outbreaks and where things stand now.

Malaysia — Where Nipah Was First Identified (1998–1999)

Malaysia was ground zero for the first known Nipah outbreak. The virus, reportedly, emerged among pig farmers in late 1998, after fruit bats infected pigs that were raised near orchards. From there, it spread rapidly to humans through close contact with livestock.

November 26, 2020, Klang, Selangor, Malaysia: A medical worker checks the temprature of a Top Glove worker outside their hostel before transfer to hospital.

More than 260 people were infected, and over 100 died. To stop the outbreak, authorities culled more than a million pigs, effectively collapsing the country's pig-farming industry overnight.

Are they at risk now? Not really. According to reports, Malaysia has not recorded another Nipah outbreak since 1999. Experts say that strict livestock controls and surveillance eliminated the transmission route in the nation.

Singapore — A Spillover That Ended Quickly (1999)

Singapore's Nipah cases were directly linked to imported pigs from Malaysia. At the time of the outbreak, it was reported that eleven abattoir workers were infected; one died.

Once imports were halted, the virus disappeared. Singapore's strict biosecurity rules have prevented recurrence for more than 25 years.

Hence, the risk of an outbreak is extremely low.

Bangladesh — Most Persistent Hotspot (2001–Present)

Bangladesh has faced Nipah outbreaks almost every year since 2001. Unlike Malaysia, these cases usually stem from fruit bats contaminating raw date palm sap, a seasonal delicacy. Human-to-human transmission, especially among caregivers, has also played a major role.

Bats hanging on a tree branch in the day light in Sylhet, of Bangladesh.

Bangladesh has recorded the highest overall fatality rate, often exceeding 70 per cent in some outbreaks. Such a grim condition has left the country at a seasonal risk.

Nipah remains endemic in parts of Bangladesh, particularly between November and March. Surveillance is strong, but spillover risk persists due to cultural practices and bat ecology.

India — Repeated Outbreaks, Faster Containment

India has experienced multiple Nipah outbreaks, mainly in West Bengal and Kerala.

West Bengal saw outbreaks in 2001 and 2007, both marked by hospital-based transmission. Meanwhile, Kerala emerged as a hotspot in 2018, when 17 of 19 infected patients died. Subsequent outbreaks in 2019, 2021, 2023, and 2025 were smaller and contained more quickly.

Nipah virus outbreak in India
Nipah virus outbreak in India Ömer Faruk Yıldız/Unsplash

In January 2026, two new cases were confirmed in West Bengal, both healthcare workers. However, according to reports, nearly 200 contacts tested negative.

Meanwhile, risk is considered localised, not widespread in the country. Indian health authorities say the current cluster is contained, with no evidence of community spread.

Philippines — A Rare, Animal-Linked Outbreak (2014)

The Philippines recorded a single Nipah outbreak in 2014, linked to horses that had been exposed to fruit bats. Humans became infected through slaughtering and consuming horse meat.

Aerial view of city streets aglow with the vibrant streaks of car lights weaving through buildings under a twilight sky, Iloilo City, Western Visayas, Philippines.

Seventeen people were infected; nine died. However, the outbreak did not recur, and the risk remains low. No new cases have been reported since 2014.

Following the recent cases in India, countries including Thailand and Nepal have introduced airport and border screenings for travellers arriving from affected regions. Taiwan is considering classifying Nipah as a high-risk emerging disease.

Health officials stress these measures are precautionary, not signs of an imminent global outbreak.