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Communicable Disease Data & Reports

Cook County Department of Public Health (CCDPH) provides comprehensive population, health behavior, disease and injury data for residents of suburban Cook County. Some data is available by geographic areas. (See Suburban Cook County Community and District Map). This page contains communicable disease data and reports only. For other types of data and reports, click here. Visit the Communicable Diseases page for links to more information about current topics/emerging threats such as Zika virus, reportable diseases, CD case counts, sexually transmitted diseases, publications, tuberculosis, vaccine preventable diseases, school nurse resources, immunization resources, and our resource locator tool.

If you do not find the data you are looking for, please submit an online Data Request Form.

Report Types

Respiratory Reports Archive
Influenza Weekly Reports Archive

Current Influenza data is now combined with RSV and Covid as Respiratory Reports.

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

Sexually Transmitted Infection (STI) Surveillance Reports

West Nile Virus Report Archive

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2006

2005

2004

2003

2002

Updated September 1, 2026, 11:35 AM

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