Mask is no longer required unless you have cold or Flu-like illness (Cough, Fever, Runny nose, Sore Throat, Body-ache, Headache, Diarrhea)
For more information visit:
https://www.lakecountyil.gov/4377/Coronavirus-Disease-2019-COVID-19
https://www.cdc.gov/coronavirus/2019-ncov/index.html