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Reporting of suspected or confirmed communicable diseases is mandated under the New York State Sanitary Code (10NYCRR2.10). The Westchester County Department of Health Monthly Morbidity Report lists the reportable diseases occurred among Westchester County residents during specific time periods. Data are extracted from the New York State's Communicable Disease Electronic Surveillance System (CDESS) unless otherwise noted. The incidence of a disease is reported by the date of diagnosis. If the diagnosis date is not
available, the incidence is reported by the available dates according to the following hierarchy: symptom date, date reported to the Health Department, date when a supplemental file was created, or date when the Health Department received the record. Diseases with no cases reported for five years prior are not included. Some disease categories may include probable cases.

 Monthly Morbidity Report 2017

Monthly Morbidity Report 2016

Monthly Morbidity Report 2015

 Monthly Morbidity Report 2014

Monthly Morbidity Report 2013

Monthly Morbidity Report 2012

 Monthly Morbidity Report 2011 (Quarterly)

Monthly Morbidity Report 2010 (Quarterly)