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Event Watch

Privacy-preserving symptom monitoring for events and gatherings.

Event Watch helps attendees report symptoms before, during, and after gatherings, while giving organizers and public-health partners an aggregated, privacy-safe view of emerging symptom patterns.

Have an event code or QR link?

Join an event

Report symptoms for an event. No login required.

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For organizers

Create Event Watch

Create privacy-preserving symptom monitoring for your event in under a minute.

Example signals demo data

Aggregate, privacy-preserving — never individual identities or exact location.

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SymptomSignal does not tell organizers, employers, schools, insurers, airlines, or other participants that a specific person reported symptoms.