Nipah
Nipah is a rare but often deadly virus that can spread from bats or pigs to people, mostly in South and Southeast Asia.
Snapshot: 9/21/2026, 3:30:49 PM · 1 tracked locations · 284 active cases (dataset)
At a glance
Quick facts
- How it spreads
- Fruit bats (flying foxes) are natural reservoirs.
- How serious
- About 65.4 of every 100 confirmed cases died
- Where it's active
- Highest current burden: Bangladesh (BD).
- Vaccine / treatment
- Avoid raw sap where outbreaks occur, use personal protective equipment around suspect cases, and strengthen hospital infection control.
Important
Virus Tracker provides aggregated outbreak monitoring for education and situational awareness. It is not medical advice, a diagnostic service, or a substitute for guidance from qualified health professionals or official public health agencies. Always consult licensed clinicians and authoritative sources for personal health decisions.
Overview
Nipah virus causes severe encephalitis and respiratory disease. Spillover events remain episodic but carry outsized public concern due to severity and potential for nosocomial amplification. Surveillance integrates animal health, food safety, and rapid isolation protocols. Virus Tracker provides a high-level geographic lens on reported human activity where open datasets exist.
Transmission
Fruit bats (flying foxes) are natural reservoirs. Humans may be infected through consumption of contaminated date palm sap or close contact with infected animals or humans in healthcare settings without adequate infection prevention.
Symptoms & clinical notes
Illness may present as fever, headache, drowsiness, disorientation, and respiratory symptoms; encephalitis can progress rapidly. Early isolation and supportive care are critical.
Prevention & control
Avoid raw sap where outbreaks occur, use personal protective equipment around suspect cases, and strengthen hospital infection control. Community messaging should be culturally tailored and coordinated with veterinary services.
Surveillance context
Event-based surveillance, contact tracing, and laboratory networks anchor response. Cross-sector alerts reduce delay between animal signals and human case detection.
Live dataset
Key metrics
Active cases
284
Deaths
510
How fast it's spreading
473.3%
RisingNipah — global infection heat map
Country shading reflects relative active-case intensity from the current Virus Tracker dataset for this pathogen. Hover countries on desktop for counts.
Darker red = more people currently sick.
Live dataset
Trajectory outlook
Projected case trend with a modeled confidence range.
Projected case trajectory for Nipah, with a shaded confidence range, based on the current Virus Tracker dataset.
Illustrative estimateLive dataset
Top regions by active cases
The 1 tracked location with the most active Nipah cases in the current dataset.
Top 1 tracked location for Nipah by active cases, ranked highest to lowest.
Live dataset
Threat intelligence visuals
No threats to compare
There isn't enough data yet to plot how fast threats are spreading against how deadly they are.
Where this data comes from
11 of 15 sources are reporting normally.
- 11 healthy sourcesHealthy
- 4 sources downDown
- Data reliability
- 0%
- Confidence-adjusted exposure
- 0
No regions yet
There's no severity data to rank right now.
Dataset
Top affected regions
| Location | Active | Deaths | Trend |
|---|---|---|---|
| Bangladesh (BD) | 284 | 510 | Stable |
Frequently asked questions
How do people catch Nipah virus?
By drinking raw date palm sap contaminated by fruit bats, touching infected pigs, or close contact with an infected person, especially in a hospital without proper precautions.
Is there a vaccine or cure?
No approved vaccine or specific antiviral treatment exists yet. Care focuses on early isolation and supportive treatment, which improves the chances of survival.
Why is Nipah taken so seriously despite being rare?
It kills a large share of the people it infects and has caused hospital-based outbreaks in the past, so health authorities respond quickly to any suspected case.
Is this page medical advice?
Virus Tracker provides aggregated outbreak monitoring for education and situational awareness. It is not medical advice, a diagnostic service, or a substitute for guidance from qualified health professionals or official public health agencies. Always consult licensed clinicians and authoritative sources for personal health decisions.
What does "outbreak activity" mean on Virus Tracker?
Outbreak activity reflects active-case burden relative to recoveries in our models. It helps compare stressed outbreak zones within the dataset—it is not a clinical score.
How often is this wiki updated?
Figures refresh on the site’s ingestion and revalidation schedule (typically about every 30 minutes in production). Timestamps on the dashboard snapshot indicate the last build of the underlying dataset.
Why might the heat map not match official government totals?
We merge multiple open sources and fallbacks; reporting lag, testing policy, and geographic coverage differ by country. Use national health ministries for authoritative case definitions.
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