Virus wiki
Chikungunya
Chikungunya virus causes fever and often debilitating joint pain; outbreaks follow Aedes-borne transmission and can stress outpatient services during peaks.
Snapshot: 5/10/2026, 10:57:16 AM · 1 tracked locations · 11,511 active cases (dataset)
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.
Key metrics
Active cases (dataset)
11,511
Reported deaths
65
Pressure index
9.84%
Chikungunya — 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.
Trajectory outlook
Trajectory (14d)
Regional analysis
Top regions by active cases
Top 1 tracked locations for Chikungunya by active cases in the current dataset.
Threat intelligence visuals
Threat Matrix
Pressure (x) vs CFR (y) with bubble size by active cases
Source Reliability
Healthy sources
4
Unhealthy sources
3
Average confidence
40.0%
Confidence exposure
4,604
Health ratio
Severity by Region
Top affected regions
| Location | Active | Deaths |
|---|---|---|
| India (IN) | 11,511 | 65 |
FAQ
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 the pressure index mean on Virus Tracker?
Pressure index 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.