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Global outbreak monitoring
We track 23 viruses across 205 countries, in plain English.
23
Viruses tracked
205
Countries covered
138.1M
People currently sick
Snapshot
A quick read on how big this outbreak picture is right now, for your current filter.
Tracked viruses
23
Tracking 23 viruses
Active cases
138.1M
138.1M people currently have this virus
Deaths
8.9M
8.9M deaths reported in total
Top threat right now
COVID-19
Cases are growing about 214.4% a period
The hotspots combining the highest case counts with the fastest growth, worth a closer look first.
India (IN)
CriticalIndia · IN
covid-1944.5M
active cases
A lot of people are currently sick here.
Japan (JP)
Very highJapan · JP
covid-1933.7M
active cases
A lot of people are currently sick here.
Turkey (TR)
ModerateTurkey · TR
covid-1917.1M
active cases
Quite a few people are currently sick here.
Iran (IR)
LowIran · IR
covid-197.5M
active cases
A smaller number of people are currently sick here.
Poland (PL)
Very lowPoland · PL
covid-196.5M
active cases
A smaller number of people are currently sick here.
Greece (GR)
Very lowGreece · GR
covid-196.1M
active cases
A smaller number of people are currently sick here.
Pick a hotspot below to see its full profile — cases, trend, and sources, in one place.
Narrow every chart below to a single virus or hotspot.
Severity, spread, and how much we trust the numbers, for your current filter.
How deadly
1.00%
About 1.0 of every 100 confirmed cases died
Outbreak activity
0.1551
Outbreak activity score of 0.16
Recovery rate
47.54%
About 47.5 of every 100 confirmed cases have recovered
Data reliability
130.8M
Confidence-adjusted exposure: 130,787,398
Data age
12
12 outdated data areas
How dangerous each hotspot looks, plotted against how much we trust the data behind it.
Threat matrix
Each bubble is a threat. Bigger bubbles mean more people are currently sick.
Where this data comes from
10 of 15 sources are reporting normally.
Which regions carry the heaviest overall threat level right now.
Overall threat level
Where the leading threat is headed next, and the places seeing the most active cases today.
Outlook
A projected trend for this virus, based on recent reporting. The shaded band shows how uncertain that projection is.
Projected case trajectory for this virus from Dec 10 to Mar 9, with a shaded range showing the uncertainty.
Recent coverage from public health sources, as it comes in.
Measles Cases and Outbreaks - Centers for Disease Control and Prevention | CDC (.gov)
Measles Cases and Outbreaks Centers for Disease Control and Prevention | CDC (.gov)
Genomic analysis of early case samples from the 2025 Marburg virus outbreak in Ethiopia - Nature
Genomic analysis of early case samples from the 2025 Marburg virus outbreak in Ethiopia Nature
Shamonda virus in human - France - World Health Organization (WHO)
Shamonda virus in human - France World Health Organization (WHO)
Ebola disease outbreak 2026: How MSF is responding - Doctors Without Borders
Ebola disease outbreak 2026: How MSF is responding Doctors Without Borders
Detections of Highly Pathogenic Avian Influenza in Wild Birds | Animal and Plant Health Inspection Service - Animal and Plant Health Inspection Service (.gov)
Detections of Highly Pathogenic Avian Influenza in Wild Birds | Animal and Plant Health Inspection Service Animal and Plant Health Inspection Service (.gov)
Congo's Ebola deaths top 5,000 as fear of continent-wide spread mounts - PBS
Congo's Ebola deaths top 5,000 as fear of continent-wide spread mounts PBS
Ebola outbreak kills more than 5,300 people in DR Congo - Al Jazeera
Ebola outbreak kills more than 5,300 people in DR Congo Al Jazeera
New York declares state disaster emergency over rising measles cases. Here's what that means - ABC News - Breaking News, Latest News and Videos
New York declares state disaster emergency over rising measles cases. Here's what that means ABC News - Breaking News, Latest News and Videos
New World Screwworm Outbreak - Centers for Disease Control and Prevention | CDC (.gov)
New World Screwworm Outbreak Centers for Disease Control and Prevention | CDC (.gov)
Vaccines for the 2026 Bundibugyo Ebola disease outbreak: access gaps and recommendations - ReliefWeb
Vaccines for the 2026 Bundibugyo Ebola disease outbreak: access gaps and recommendations ReliefWeb
Ebola outbreak death rate tops 50% - Outbreak News Today
Ebola outbreak death rate tops 50% Outbreak News Today
Officials warn ‘unprecedented’ disease outbreak is ‘very dire’ - New York Post
Officials warn ‘unprecedented’ disease outbreak is ‘very dire’ New York Post
Ebola Outbreak Tops 10,000 Cases as CDC Cites Spread to Kenya, Nigeria - Contagion Live
Ebola Outbreak Tops 10,000 Cases as CDC Cites Spread to Kenya, Nigeria Contagion Live
Bundibugyo Ebola Outbreak in DRC Continues Rapid Expansion - Infectious Disease Special Edition
Bundibugyo Ebola Outbreak in DRC Continues Rapid Expansion Infectious Disease Special Edition
With 60 new cases in the past week, Florida’s dengue total jumps to 485 - CIDRAP
With 60 new cases in the past week, Florida’s dengue total jumps to 485 CIDRAP
Following the Clues in an Unusual Cattle Disease Outbreak - Bovine Veterinarian
Following the Clues in an Unusual Cattle Disease Outbreak Bovine Veterinarian
Why an Ebola outbreak in Africa doesn’t mean an epidemic in Britain - The Conversation
Why an Ebola outbreak in Africa doesn’t mean an epidemic in Britain The Conversation
Illness Levels Over Time | Respiratory Illnesses - Centers for Disease Control and Prevention | CDC (.gov)
Illness Levels Over Time | Respiratory Illnesses Centers for Disease Control and Prevention | CDC (.gov)
Information for Travelers Returning from Ebola-Affected Areas - Centers for Disease Control and Prevention | CDC (.gov)
Information for Travelers Returning from Ebola-Affected Areas Centers for Disease Control and Prevention | CDC (.gov)
Current Epidemic Trends (Based on Rt) | CFA: Modeling and Forecasting - Centers for Disease Control and Prevention | CDC (.gov)
Current Epidemic Trends (Based on Rt) | CFA: Modeling and Forecasting Centers for Disease Control and Prevention | CDC (.gov)