- More Minnesotans getting booster shots as COVID-19 wave worsensMinneapolis Star Tribune
- New Covid-19 Variant: Live Omicron News and UpdatesThe New York Times
- All vaccinated adults should get a Covid-19 booster shot because of the Omicron variant, CDC saysCNN
- Delta and waning immunity: Why boosters are recommended for nearly everyone nowTwinCities.com-Pioneer Press
- Doctor says COVID-19 booster shots will likely be needed once a yearMid-Michigan now on FOX66 & NBC25