The emergency use authorization for the Moderna and Pfizer COVID-19 vaccines has been updated to include a third dose for moderately or severely immunocompromised people 12 and older. Additional doses should be given a minimum of 28 days after completing a messenger RNA vaccination series. The Moderna and Pfizer COVID-19 vaccines are messenger RNA vaccines.

Immunosuppressed or immunocompromised refers to those who have medical conditions that compromise the immune system, such as advanced or untreated HIV, or patients who require treatment with immunosuppressant medications, such as chemotherapy. Immunosuppression lowers the effectiveness of COVID-19 vaccination. View the Centers for Disease Control and Prevention's list of conditions.

At this time, an additional dose is not recommended for those who received the Johnson & Johnson COVID-19 vaccine.

Mayo Clinic in Florida, Mayo Clinic in Rochester and Mayo Clinic Health System are expected to start administering additional doses of COVID-19 vaccine to eligible patients as early as Tuesday, Aug. 17.

Mayo Clinic in Arizona does not currently offer broad distribution of COVID-19 vaccine to patients. Eligible patients in Arizona will be directed to community vaccination sites or local pharmacies. 

Patients eligible for additional COVID-19 vaccine doses across Mayo have been identified and will be contacted through Patient Online Services, or by mail. They will be invited to schedule an appointment. Practice leaders also are discussing how additional doses can be made available to inpatients and those in transitional care units.

If you are eligible to receive a third dose of a COVID-19 vaccine because you are moderately or severely immunocompromised, you are encouraged to schedule an appointment as soon as you are invited to do so. If you are not a Mayo Clinic patient and believe you are eligible for an additional dose, you should seek an appointment at a local health care provider or pharmacy.

These walk-in clinics are available to patients, visitors and staff who are eligible at Mayo Clinic in Rochester:

• Every Wednesday and Friday
  COVID-19 vaccinations will be offered from 10 a.m. to 3 p.m. in Phillips Hall on the first floor of the Siebens Building.
• Every Tuesday and Thursday
  COVID-19 vaccination will be offered from 2 to 7 p.m. at the 41st Street Professional Building, 4115 West Frontage Road NW, street level.

"The reason that immunocompromised people will need an additional vaccine is that their immune systems don't respond as well to the initial doses of the vaccine and the response they do have wears off over time," says Dr. Melanie Swift, co-chair of Mayo Clinic's COVID-19 Vaccine Allocation and Distribution Work Group. "People with a weakened immune system have a more difficult time fighting off infection than a healthy person."

The Mayo Clinic News Network Team say down with Dr. Swift, and she answered questions about the additional dose of a COVID-19 vaccine:

Who can get an additional, or third, dose of a COVID-19 vaccine?

At this time, an additional, or third, dose of the Moderna or Pfizer COVID-19 vaccine is recommended to moderately or severely immunocompromised people 12 and older. People might be immunocompromised if they have advanced or untreated HIV, are undergoing chemotherapy to treat cancer, or have had a solid organ transplant.

Will the third dose consist of one or two shots?

The third dose is a single dose of the Moderna or Pfizer COVID-19 vaccine.

If I qualify, do I have to wait a certain amount of time since I completed COVID-19 vaccination?

The authorizations for the messenger RNA vaccines have been amended to allow for a third, dose to be administered at least 28 days following the two-dose regimen of the same vaccine or of another messenger RNA vaccine if the original is not available to people who have undergone solid organ transplantation or who are diagnosed with conditions that make them immunocompromised at an equivalent level.

Can health care providers who work with immunocompromised patients get a third dose of a COVID-19 vaccine?

Health care providers of immunocompromised patients are not eligible to receive a third COVID-19 vaccine dose.

Why is Mayo Clinic administering a third dose of COVID-19 vaccine if the World Health Organization asked for a pause on boosters?

Mayo Clinic supports the Advisory Committee on Immunization Practices and the Centers for Disease Control and Prevention's recommendations to administer a third dose of a COVID-19 vaccine to moderately or severely immunocompromised patients.

Does the third dose of COVID-19 vaccine need to be from the same company as a recipient's original COVID-19 vaccine?

The emergency use authorizations for the Moderna and Pfizer COVID-19 vaccines have been amended to allow for a third, dose to be administered at least 28 days following the two-dose regimen of the same vaccine a person received. Another messenger RNA vaccine can be substituted if the original is not available, such as Moderna in place of Pfizer or vice versa.

Is there a difference between the third dose of a COVID-19 vaccine and the original two-dose vaccine series?

Technically, a third dose is being given for waning immunity after some period of time following completion of the original two-dose vaccine series. An additional dose of the Moderna or Pfizer COVID-19 vaccine is being recommended as an extension of the primary vaccination series for all patients who are moderately or severely immunocompromised, as they may not mount an adequate immune response to a two-dose vaccine series.

I received the J&J COVID-19 vaccine. Can I get an additional dose of a messenger RNA COVID-19 vaccine?

At this time, an additional dose of a messenger RNA COVID-19 vaccine is not recommended for those who received the J&J COVID-19 vaccine.

What should I do if I am immunocompromised and haven't been vaccinated for COVID-19?

If you haven't been vaccinated for COVID-19, you are encouraged to begin a vaccination series as soon as possible.

More information on COVID-19:

• COVID-19 booster for immunocompromised people: What does the term mean?
• Mayo Clinic expert discusses breakthrough COVID-19 cases.
• Mayo Clinic Q&A podcast: It’s like a Code Red hospital alert.

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For the safety of its patients, staff and visitors, Mayo Clinic has strict masking policies in place. Anyone shown without a mask was either recorded prior to COVID-19 or recorded in a nonpatient care area where social distancing and other safety protocols were followed.

Information in this post was accurate at the time of its posting. Due to the fluid nature of the COVID-19 pandemic, scientific understanding, along with guidelines and recommendations, may have changed since the original publication date. 

For more information and all your COVID-19 coverage, go to the Mayo Clinic News Network and mayoclinic.org.

Learn more about tracking COVID-19 and COVID-19 trends.

The post Mayo Clinic to administer an additional dose of COVID-19 vaccine to moderately, severely immunocompromised people 12 and older appeared first on Mayo Clinic News Network.

On the Mayo Clinic Radio podcast, Mary Wilder, director of the Gift of Life Transplant House, and house resident John Roise give an inside look at how staying at Gift of Life helps ease the financial and emotional burdens of a transplant journey. Also on the podcast, Dr. Tobias Kohler, a urologist at Mayo Clinic, explains the latest treatments for erectile dysfunction. And Capt. Lori Cline, an American Airlines pilot, discusses the training and testing required for commercial airline pilots to be cleared to fly.

The post #MayoClinicRadio podcast: 5/19/18 appeared first on Mayo Clinic News Network.

On the next Mayo Clinic Radio program, Mary Wilder, director of the Gift of Life Transplant House, and house resident John Roise will give you an inside look at how staying at Gift of Life helps ease the financial and emotional burdens of a transplant journey. Also on the program, Dr. Tobias Kohler, a urologist at Mayo Clinic, will explain the latest treatments for erectile dysfunction. And Capt. Lori Cline, an American Airlines pilot, will discuss the training and testing required for commercial airline pilots to be cleared to fly.

Here's your Mayo Clinic Radio podcast.

The post Gift of Life Transplant House / erectile dysfunction treatment / pilot safety and readiness appeared first on Mayo Clinic News Network.

On the next Mayo Clinic Radio program, Mary Wilder, director of the Gift of Life Transplant House, and house resident John Roise will give you an inside look at how staying at Gift of Life helps ease the financial and emotional burdens of a transplant journey. Also on the program, Dr. Tobias Kohler, a urologist at Mayo Clinic, will explain the latest treatments for erectile dysfunction. And Capt. Lori Cline, an American Airlines pilot, will discuss the training and testing required for commercial airline pilots to be cleared to fly.

To hear the program, find an affiliate in your area.

Use the hashtag #MayoClinicRadio, and tweet your questions.

Mayo Clinic Radio is on iHeartRadio.

Access archived shows or subscribe to the podcast.

Mayo Clinic Radio produces a weekly one-hour radio program highlighting health and medical information from Mayo Clinic.

The post Mayo Clinic Radio: Gift of Life Transplant House appeared first on Mayo Clinic News Network.

On the next Mayo Clinic Radio program, Mary Wilder, director of the Gift of Life Transplant House, and house resident John Roise will give you an inside look at how staying at Gift of Life helps ease the financial and emotional burdens of a transplant journey. Also on the program, Dr. Tobias Kohler, a urologist at Mayo Clinic, will explain the latest treatments for erectile dysfunction. And Capt. Lori Cline, an American Airlines pilot, will discuss the training and testing required for commercial airline pilots to be cleared to fly.

To hear the program, find an affiliate in your area.

Miss the show? Here's your Mayo Clinic Radio podcast.

Use the hashtag #MayoClinicRadio, and tweet your questions.

Mayo Clinic Radio is on iHeartRadio.

Access archived shows or subscribe to the podcast.

Mayo Clinic Radio produces a weekly one-hour radio program highlighting health and medical information from Mayo Clinic.

The post Mayo Clinic Radio: Gift of Life Transplant House / erectile dysfunction treatment / pilot readiness appeared first on Mayo Clinic News Network.