McHenry County Department of Health - Nursing
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COVID-19 (Novel Coronavirus)

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The McHenry County Department of Health (MCDH), along with the Illinois Department of Public Health (IDPH) and the Centers for Disease Control and Prevention (CDC), are closely monitoring information on COVID-19 (Coronavirus Disease 2019). MCDH  continues to coordinate with local, regional and state partners.

In an effort to provide the county with the most up to date guidance regarding COVID-19, we’ve developed the McHenry County Department of Health Resource Guide. This tool will provide guidance on seeking medical care along with recommendations on staying safe during this time. This tool is not designed to diagnose or treat COVID-19, but can assist you with more information about this new coronavirus. Visit the resource guide by selecting the image on the left. Select the image on the right to view data related to the spread of COVID-19 in McHenry County.  

MCDH COVID-19 Resource Guide     MCDH COVID-19 Dashboard

Additional MCDH activities include:

  • Investigating positive cases and instructing patients on isolation
  • Providing guidance to household members/contacts regarding quarantine and how to monitor for symptoms
  • Working closely with hospitals, community organizations and McHenry County government entities to plan for ongoing needs in the emergency response to this new viral threat
  • Assisting long-term care and aggregate living facilities with infection control and prevention guidelines and responding to outbreaks within these communities
  • Actively planning alternate housing for recovery of medically stable patients that need a safe place to stay to complete isolation or quarantine
  • Continuing to run needed MCDH services such as WIC, immunizations for children under 2, TB clinics and other programs to support our community
  • Sharing information with the public, partners and staff via email, website and social media.

As of August 2, 2020, there have been 2946 confirmed cases of COVID-19 in McHenry County, 112 confirmed deaths and 2 probable deaths. The death(s) reported today: None

View the McHenry County COVID-19 Dashboard to see confirmed cases by zip code, race, gender, etc. here. 

The data provided on this webpage is updated daily between 4 p.m. and 6 p.m. The data is provisional and subject to change upon completion of the investigation for each locally reported case to MCDH. MCDH reports investigation data to the IDPH though the Illinois-National Electronic Disease Surveillance System (I-NEDSS) on a continual basis. Based on when IDPH accesses the information, the reports issued at the state level may be different from what is being reported at the local level.

For General COVID-19 Questions:

Web Phone Email 800-889-3931 [email protected]


Press Releases

COVID-19 Press Release Timeline


Media and Helpful Videos

Helpful Videos for the Home


Additional Resources


MCDH Facebook Feed

MCDH Twitter Feed

Updated: August 2, 2020, 4 p.m.