Chikungunya
Chikungunya is a mosquito-borne virus that causes fever and often severe joint pain; outbreaks can overwhelm local clinics when cases spike.
Snapshot: 9/21/2026, 3:30:49 PM · 1 tracked locations · 11,511 active cases (dataset)
At a glance
Quick facts
- How it spreads
- Aedes mosquitoes, especially Aedes aegypti and Aedes albopictus, transmit the virus between humans.
- How serious
- About 0.1 of every 100 confirmed cases died
- Where it's active
- Highest current burden: India (IN).
- Vaccine / treatment
- Vector control, environmental management of breeding sites, and personal bite prevention are central.
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
Chikungunya circulates in Africa, Asia, parts of Europe, and the Americas. Explosive outbreaks can occur when susceptible populations meet abundant vectors. Joint symptoms may persist for months, impacting workforce productivity even when acute fever resolves. Virus Tracker maps regional case pressure to complement entomological risk mapping and hospital triage planning.
Transmission
Aedes mosquitoes, especially Aedes aegypti and Aedes albopictus, transmit the virus between humans. Rare vertical and bloodborne routes have been described. Travel-associated cases seed new areas where vectors are present.
Symptoms & clinical notes
High fever and severe polyarthralgia are hallmark features; rash and myalgia are common. Most patients recover, but chronic arthralgia can occur. Differential diagnosis includes dengue, where misclassification can affect clinical management.
Prevention & control
Vector control, environmental management of breeding sites, and personal bite prevention are central. Community engagement improves sustained source reduction. Clinicians should follow local algorithms distinguishing dengue and chikungunya where both circulate.
Surveillance context
Syndromic surveillance, lab confirmation, and outbreak line lists feed national dashboards. Virus Tracker visualizes multi-country snapshots for comparative situational awareness.
Live dataset
Key metrics
Active cases
11.5K
Deaths
65
How fast it's spreading
9.8%
RisingChikungunya — 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 Chikungunya, 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 Chikungunya cases in the current dataset.
Top 1 tracked location for Chikungunya by active cases, ranked highest to lowest.
Live dataset
Threat intelligence visuals
Threat matrix
How fast vs. how deadly
Each bubble is a threat. Bigger bubbles mean more people are currently sick.
Where this data comes from
11 of 15 sources are reporting normally.
- 11 healthy sourcesHealthy
- 4 sources downDown
- Data reliability
- 40%
- Confidence-adjusted exposure
- 4.6K
Overall threat level
Where it's hitting hardest
- India11.5K active · score 19.7
Dataset
Top affected regions
| Location | Active | Deaths | Trend |
|---|---|---|---|
| India (IN) | 11,511 | 65 | Stable |
Frequently asked questions
How do people catch chikungunya?
Through the bite of an infected Aedes mosquito, the same species that spreads dengue and Zika. It does not typically spread directly between people.
Is chikungunya usually fatal?
Death is rare. The bigger burden is often weeks or months of joint pain after the fever resolves, which can affect work and daily life.
Is there a vaccine?
A small number of countries have approved chikungunya vaccines for specific populations. Availability varies, so check current national guidance.
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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