Explore · official surveillance signals through time
Explore
Drag the globe, pick a disease, play the timeline: each glowing point shows where a country’s reading for that period sits within its own history. Not a risk ranking, not a forecast.
How to read this
- A glowing dot is that country’s reading for this period, placed in its own history. 0 = none reported; brighter and larger means closer to that country’s historical high.
- Brightness and size (vs that country’s history)
- Not a cross-country comparison, risk ranking, or forecast — surveillance and reporting differ by country. The latest week is often still filling in, so the globe can look sparse for a while.
- Drag the globe; click a dot or pick a country; press play to walk the timeline.
Text alternative: countries with a reading at the current time (alphabetical)
| Country/area | Reading | Relative to its own history |
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