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August 16, 2021 at 1:54 pm #2503Josephine Ogunsola
The Food and Drug Administration (FDA) has approved emergency use authorization (EUA) for a third COVID-19 vaccine dose or booster shot of the Pfizer and Moderna COVID-19 vaccines for moderate to severe immunocompromised people who are 12 and older. The Centers for Disease Control and Prevention (CDC) and Advisory Committee on Immunization Practices are meeting to further discuss recommendations for booster vaccines for these individuals.
“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.
Immunocompromised people account for approximately 2.7% of U.S. adults, according to the CDC. This means they have a weakened immune system.
“This means the immune system is not competent to fight off infections. This could be due to a disease or medication,” says Dr. Swift. “People with a weakened immune system have a more difficult time fighting off infection than a healthy person.”
Immunosuppressed is often used to describe immunocompromised.
“Immunosuppressed means basically the same thing, but it usually refers to taking a medication that suppresses the immune system,” Dr. Swift explains.
The immune system’s role is to protect the body by staving off disease-causing germs, viruses and parasites, as well as cell changes that could lead to disease, such as cancer. The system is a complex network made up of organs, tissues, cells and proteins throughout the body.
People can be immunocompromised for various reasons. Patients may have certain diseases, or the use of medications or medical treatments may suppress a person’s immune system, such as:
Chronic Lymphocytic Leukemia.
Chronic Myeloid Leukemia.
Advanced or untreated HIV/AIDS.
Certain genetic disorders, such as congenital agammaglobulinemia or congenital immunoglobulin A deficiency.
Post transplant medications.
Immunosuppressant drugs used for autoimmune conditions.
Corticosteroids at high doses.
Treatments may include bone marrow transplant, radiation therapy, solid organ transplant (due to the medications used) or hemodialysis.
The most important way to help those who are immunocompromised or immunosuppressed is to get vaccinated for COVID-19.
“The COVID-19 vaccines are highly effective in preventing severe disease and hospitalization, which is especially important in high-risk patients. With the current spread of the delta variant, high community vaccination rates have never been more crucial. If you haven’t had your first dose yet, now is the time,” says Dr. Swift.
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