People at risk of getting very sick from COVID-19 include:
People who are age 65 or older.
People who are overweight (with a BMI of 26 or greater).
Pregnant people.
People with a weakened immune system (immunocompromised).
People with certain conditions, such as: cancer; kidney, liver, lung or sickle cell disease; dementia; diabetes; down syndrome; heart conditions; HIV infection; certain mental health conditions; current or former smoker; organ transplant recipient; stroke; substance use disorder; tuberculosis.
For more information, see the CDC guidelines for those at high risk.