About the Authors

Donald R Olson

To whom correspondence should be addressed. E-mail: drolson@gmail.com (DRO); burchheff@gmail.com (RTH)

Affiliation New York City Department of Health and Mental Hygiene, New York, New York, United States of America

Richard T Heffernan

To whom correspondence should be addressed. E-mail: drolson@gmail.com (DRO); burchheff@gmail.com (RTH)

Affiliation New York City Department of Health and Mental Hygiene, New York, New York, United States of America

Marc Paladini

Affiliation New York City Department of Health and Mental Hygiene, New York, New York, United States of America

Kevin Konty

Affiliation New York City Department of Health and Mental Hygiene, New York, New York, United States of America

Don Weiss

Affiliation New York City Department of Health and Mental Hygiene, New York, New York, United States of America

Farzad Mostashari

Affiliation New York City Department of Health and Mental Hygiene, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

DRO, RTH, and FM conceived of the study. DRO, RTH, DW, and FM designed the study. DRO, KK, and FM analyzed the data. All authors contributed to writing the paper. DRO, RTH, MP, and KK collected data or performed experiments for this study. DRO, RTH, MP, and KK participated in the rotation of analysts who clean, analyze, and report data daily. RTH oversaw the syndromic surveillance unit that collected the data.