Coronavirus Disease 2019 (COVID-19)

Lake County, Illinois Information

The Lake County Health Department is closely monitoring a fast-changing pandemic of a novel (new) coronavirus (COVID-19) first identified in the city of Wuhan, China. Our priority is the health and safety of our residents, and we continue to use every available resource to respond to the COVID-19 pandemic.

For the most current status of the COVID-19 pandemic, please visit the Centers for Disease Control and Prevention (CDC) COVID-19 and Illinois Department of Public Health (IDPH): Coronavirus websites.

Recent Updates

October 28, 2020
Governor Pritzker and the Illinois Department of Public Health (IDPH) announced that COVID-19 resurgence mitigations will be implemented in the North Suburban Region 9, which includes Lake and McHenry Counties, beginning 12:01 a.m. on Saturday, October 31, 2020. Read more.

October 21, 2020
The Lake County Health Department is reporting 'substantial' community transmission of COVID-19. To protect students, staff, and their families and slow the spread of COVID-19 in the community, the Health Department is recommending that public and private K-12 schools in Lake County transition to virtual learning.

On August 28, the Health Department launched a School Decision Dashboard with data to inform school superintendents’ decisions to pursue in-person, hybrid, or in-person learning.

September 30, 2020
As communities plan for fall holidays, including Halloween, the IDPH has issued guidance for celebrating safely. While it is safest to celebrate from home, those who choose to participate in trick-or-treating events must continue to follow the 3 Ws: Wear a mask, Wash your hands, Watch your distance. Learn more from the CDC about general considerations for the holidays.

August 4, 2020
To limit the spread of COVID-19, the Health Department recommends avoiding all non-essential travel. Visit our Community Guidance and Resources page for more information.

June 26, 2020
As part of the Northeast region, Lake County entered Phase 4 of the Restore Illinois plan. View Phase 4 Reopening Guidelines and Toolkits.

Lake and McHenry Counties United Against Resurgence of COVID-19
Lake and McHenry County officials are working together to slow the recent resurgence of COVID-19. The two counties make up the North Suburban Region 9 in the State's Restore Illinois Mitigation Plan and are will respond with appropriate interventions if metrics indicate an increase of COVID-19 activity in the region. View Region 9 metrics.

County Level COVID-19 Risk Metrics
The IDPH is monitoring several indicators that measure the health burden of COVID-19 in Lake County. These weekly metrics are intended to be used for local level awareness of progress during Phase 4 and will help the Health Department, local leaders, businesses, and the public make informed decisions and promote healthy behaviors.

View more updates


COVID-19 Testing

Find testing locations and criteria for Lake County, Illinois


How to Protect Yourself and Others

Everyone has a roll to play in keeping our communities healthy and safe

Contact Tracing

Contact Tracing

Learn about the Health Department’s efforts to identify and notify people who may have been exposed to COVID-19


Community Guidance and Resources

Find information and resources for your community and/or organization to prepare and take action

Hand with Heart

How to Get Help

Find resources to help yourself and your family during this unprecedented time

Hands Raised

How You Can Help

Help stop the spread of COVID-19 and other respiratory illnesses by following these steps.


COVID-19 Service Modifications and Closures

Find service modification and closure information for Lake County Government

Health Clinic

Health Department Service Modifications and Closures

Find service modification and closure information for Community Health Centers

Question Mark


Find answers to questions you have about COVID-19 from the Health Department, IDPH, and CDC


Communication Resources

Help share free resources including toolkits, fact sheets, flyers, posters, and videos

Who can I contact to...  

Ask a question about:   

  • COVID-19 in Lake County: Contact the Lake County Health Department at    
  • COVID-19 and other communicable diseases: Contact the Lake County Health Department Communicable Disease program at (847) 377-8130
  • COVID-19 Relief and Recovery in Lake County: Contact Lake County Communications at (847) 377-2154 or    
  • COVID-19 in Illinois: Contact the Illinois Department of Public Health at 1-800-889-3931 or DPH.SICK@ILLINOIS.GOV    
  • Phase 4 of the Restore Illinois Plan: Contact the Illinois Department of Public Health at 1-800-889-3931 or DPH.SICK@ILLINOIS.GOV    
  • Phase 4 Guidelines for Businesses: Contact the Illinois Department of Commerce & Economic Opportunity at 1-800-252-2923 or    


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