On October 6, 2020, the CDC updated its guidance for People with Certain Medical Conditions who are at increased risk for severe illness upon contracting COVID-19.
According to the CDC, the updated guidance reflects recent data supporting an increased risk of severe illness among adults with COVID-19 who (1) have obesity, (2) are overweight, or (3) who smoke or have a history of smoking.
The updates also make the guidance more explicit about data and implications for adults and children.