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Public Health Surveillance

The use of mortality statistics for public health surveillance

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Jan 20, 2026
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What information is included on a U.S. death certificate and why does it matter?

A U.S. death certificate is an official legal vital record that records identifying details (name, dates, demographics), the place and manner of death, and a medical opinion about cause of death; most...

Feb 5, 2026

How often are deaths initially ruled accidental later reclassified after new evidence in New York City?

Public reporting does not publish a routine, citywide rate of how often deaths initially coded as “” are later reclassified after new evidence, so the precise frequency in is not determinable from ava...