You can be immunocompromised (have a weakened immune system) because of a medical condition or if you received medications or treatments that suppress your immune system.
You can self-confirm if you are moderately or severely immunocompromised. This means you do need documentation to receive a COVID-19 vaccination you are eligible for.
CDC recommends an updated COVID-19 vaccine for most adults ages 18 years and older.
Parents of children ages 6 months to 17 years should discuss the benefits of vaccination with a healthcare provider.
Certain vaccine brands are recommended for specific age groups. Learn more.
If you have never had a COVID-19 vaccine, you start with an initial . The number of doses depends on your age and the vaccine brand you get.
After talking with a healthcare provider, people who are moderately or severely immunocompromised may get more doses at least 2 months after their last dose of an updated COVID-19 vaccine. For children ages 6 months–4 years, these doses should be the same vaccine brand.