CompanionsentinelDemo · payment-dark
Sentinel
Built for Stephanie Haridopolos · Principal Deputy Assistant Secretary of Health, OASH
An early-signal board for public health — catch anomalies in everyday indicators before they're confirmed outbreaks.
← Signal boardNormal · z -0.60
Syndromic ED · NSSP/BioSense aggregate
Heat-related ED visits
Heat-illness-coded emergency visits — currently below expected.
45
baseline (visits/day)
41
current (visits/day)
-0.60
deviation (z)
21-day history → today
Jun 6Jun 16Jun 26
range 0–51
The series runs flat near baseline, then ends on today's count — the point being scored. History mean ≈ 46, close to the stored baseline of 45.
How today scores
z = (current − baseline) / √baseline
= (41 − 45) / √45 (6.7)
= -0.60 → below 2 normalRun for Jun 26, 2026. This is an early signal to investigate — not a confirmed outbreak. Aggregate counts only; no individual-level data exists in this indicator. Adjust the value back on the signal board to watch the level respond.
Showcase demo for the America's Future 80th Anniversary Summit. Showcase · best home: Nonprofit / public-good. Seeded with realistic sample data; runs payment-dark (no billing). Not a production system.