How Does the Two-Dose Vaccine for COVID-19 Work?

A single dose vaccine may be on the horizon, but for now, both the Pfizer and Moderna vaccines require two-doses for effective COVID-19 protection. Find out how the body reacts to each dose and more.

Why We Need Two Doses

Safely Get the Care You Need

We are ready to help you stay healthy with many same-day appointments available, and we are taking every precaution to ensure your safety.

If you are experiencing COVID-19 symptoms, same-day appointments are available in our adult and pediatric COVID-19 treatment clinics in dedicated areas. We also offer care for those wo have had COVID-19 in our Center for Post-COVID-19 Care and Recovery. Learn More

To schedule an in-person or telehealth appointment, call 303.398.1355.
Request an Appointment Online

COVID-19 Testing Appointments

Need a test? COVID-19 swab testing is available with same-day or next-day appointments on our campus in Denver. Secure, electronic results are provided in 24 - 48 hours. Book Now

Vaccine Information

The vaccine has arrived and we are working through Colorado’s state-guided phases of vaccination. Learn More

New Trial Medication for Pulmonary Arterial Hypertension

By adding a new investigational Pulmonary Arterial Hypertension (PAH) medication to your current therapy, you could experience relaxed and widened artery walls. Learn more about Ralinepag.

View More Trials

National Jewish Health To Vaccinate 3,000 Over The Weekend

What Americans Need to Know About Finding a Coronavirus Test Abroad

How Older Adults with Chronic Illnesses Can Assess Whether to Get the COVID-19 Vaccine

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Dialogue with a Doc - Virtual, February 18

Financial Industries Virtual Event - March 16

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