For more information about COVID-19 vaccines in languages other than English, visit the CDC website.

COVID-19 Vaccine Program

As a COVID-19 vaccination provider, Children’s Hospital of Philadelphia (CHOP) provides vaccinations according to guidance from the Centers for Disease Control and Prevention (CDC) and state and local departments of health. (Updated: September 2023)

What You Need to Know

As of September 11, 2023, bivalent mRNA COVID-19 vaccines are no longer recommended in the United States.

To be up-to-date on COVID-19 vaccination, all individuals 5 years and older, regardless of whether or not you have been vaccinated before, should receive one dose of an updated 2023­–2024 vaccine, in accordance with CDC guidance.

Children aged 6 months to 4 years may need multiple doses of the COVID-19 vaccine to be up to date, including at least one dose of the updated 2023­–2024 vaccine, depending on their age and the number of doses they’ve already received.

Immunocompromised individuals may need additional doses of the updated vaccine in accordance with CDC guidance. 

For the most recent COVID-19 vaccine guidance, view this information from the CDC.

What You Can Do Now

CHOP Primary Care offices are preparing to provide the updated 2023-2024 vaccine from Moderna. If your child is under 5 years of age and received any dose of the Pfizer vaccine, or if you need help determining which vaccine your child needs, call your Primary Care office. .

Vaccines are also widely available in your community at local pharmacies. You can search this vaccine finder (available in English and Spanish) to find a vaccine program close to home.

Prepare your child for vaccinations with this kid-friendly interactive resource.

Answering Your Questions about COVID-19 Vaccines

For answers to other frequently asked questions, we encourage you to refer to these helpful resources for more information from trusted sources:

Resources for Non-English Speakers

For more information about the COVID-19 vaccines and resources in languages other than English, please visit the Centers for Disease Control and Prevention (CDC).

Security Reminder

CHOP will never ask for sensitive information such as passwords or social security numbers outside of MyCHOP, our patient portal. If you receive a call, text, email, or social media message asking for sensitive information, do not respond. If you have questions, call your CHOP provider using a phone number you know is legitimate, or contact us through MyCHOP.



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