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New COVID-19 Vaccine Boosters for Omicron: What To Know if You Have PH

Updated on October 26, 2022
Medically reviewed by
Manuel Penton, M.D.
Article written by
Ted Samson

  • The U.S. Food and Drug Administration (FDA) has approved updated boosters for messenger RNA (mRNA) COVID-19 vaccines from Pfizer and Moderna.
  • These new vaccine boosters offer protection against newer variants of the coronavirus, which have been linked to breakthrough cases of COVID-19.
  • The Pulmonary Hypertension Association advises people with pulmonary hypertension (PH) to talk with their doctors about getting vaccinated to protect against COVID-19.

The FDA has approved newly formulated boosters for the mRNA COVID-19 vaccines from Pfizer and Moderna. These new shots give vaccine recipients — including those who are immunocompromised — extra protection against variants of SARS-CoV-2, the virus that causes COVID-19. These variants spread more quickly from person to person and can be resistant to the original vaccines. The spread of the omicron variants has led to a spike in breakthrough cases — people become infected with the coronavirus despite being fully vaccinated.

Following the FDA’s approval, the Centers for Disease Control and Prevention (CDC) recommended the updated boosters. “The updated COVID-19 boosters are formulated to better protect against the most recently circulating COVID-19 variant,” said Dr. Rochelle Walensky, director of the CDC, in a statement. “They can help restore protection that has waned since previous vaccination and were designed to provide broader protection against newer variants.”

The Pulmonary Hypertension Association advises people with PH to “talk to your PH health care team about your medical conditions and about getting vaccinated.” The organization also notes that it supports the CDC’s vaccine recommendations.

The updated COVID-19 boosters are available now throughout the U.S. Vaccines.gov offers a tool to find nearby locations to receive the booster.

How Are These Boosters Different From the Previous Ones?

People who’ve followed the recommended COVID-19 vaccine schedule are no strangers to booster shots. Their purpose is to keep your immune system primed with the necessary antibodies to fight the coronavirus. These antibodies naturally lessen over time.

The first set of FDA-authorized mRNA vaccines contained a blueprint of the spike protein found on the original strain of the coronavirus. Using the blueprint in the vaccine, a person’s immune system learns what the coronavirus looks like and how to fight it. The original mRNA vaccines are called monovalent vaccines because they contained blueprints for just one virus component (part).

The new versions are called bivalent vaccines because they contain blueprints for two different spike protein components: one from the original version of the coronavirus and a new one found on the BA.4 and BA.5 omicron subvariants. These are the subvariants that have proven resistant to the original vaccines. By getting an updated bivalent booster, your immune system will be able to recognize and fight both the older and newer, more prevalent subvariants.

Who Can Get the Updated Booster?

Bivalent booster guidance from the FDA and CDC varies depending on a person’s age, vaccination status, and whether or not they’re moderately or severely immunocompromised — that is, whether they have a weakened immune system.

Guidance for the General Population

Per the CDC and FDA, people 6 and up who are fully vaccinated and who aren’t immunocompromised are eligible for a single booster dose of the bivalent Moderna COVID-19 vaccine. People 5 and up who are fully vaccinated and who aren’t immunocompromised are eligible for a single booster dose of the bivalent Pfizer COVID-19 vaccine.

Before getting an updated booster, people should wait at least two months after completing their initial vaccine series or receiving a booster dose of a monovalent COVID-19 vaccine.

The booster you receive doesn’t need to be from the same manufacturer as your primary series or previous boosters.

Public health experts advise people who’ve recently contracted COVID-19 to wait until they fully recover from the acute illness before getting an updated booster. The CDC has said that getting a booster between the time you first recover from your infection up to three months later may boost your immune response.

“If you’ve had a recent infection or were recently vaccinated, it’s reasonable to wait a few months,” said White House COVID-19 Response Coordinator Dr. Ashish Jha during a Sept. 6 press conference.

The agency offers a COVID-19 booster tool to help people determine if and when they can get a booster.

Guidance for People With Pulmonary Hypertension

People who are moderately or severely immunocompromised due to other health conditions face a higher risk of severe illness or death from COVID-19, according to the CDC. Pulmonary hypertension is explicity mentioned on the CDC’s list of underlying conditions that put people at higher risk for severe illness. If you have questions about your eligibility for the COVID-19 booster dose or whether you should time it around other medications, ask your providers for advice.

Some members of myPHteam have shared their experiences with vaccination against COVID-19. “I’ve gotten two initial shots and two booster shots,” one member wrote. Another said, “I’m going next week to get my booster shot!”

Are the Updated Boosters Safe and Effective?

According to the FDA, bivalent COVID-19 vaccines — that is, vaccines containing the old and new spike proteins — are safe and effective, based on results from human trials. Notably, those tests used a bivalent vaccine containing an earlier omicron subvariant called omicron BA.1. Currently, the newly approved vaccines containing the omicron BA.4 and BA.5 subvariants have been tested only on animals.

Nevertheless, the FDA and CDC believe the positive test results of the older bivalent vaccine are relevant to the newly approved vaccines, as they were all developed using the same manufacturing process.

It’s not unusual for the FDA to approve an updated vaccine that hasn’t undergone tests on humans. The most common example is the flu vaccine, which is updated annually based on what scientists predict will be the most common version of the flu virus that year. Those flu shots are generally updated using the same manufacturing process that’s consistently yielded safe, effective vaccines.

Safety in People With PH

When it comes to people with PH, the COVID-19 vaccine appears to be safe, without significant side effects.

A 2021 study from the journal Vaccines shared the outcomes of 261 people who either had chronic thromboembolic pulmonary hypertension or pulmonary arterial hypertension (two types of PH). The research concluded that these vaccines were safe for individuals with PH. In fact, the study authors stated that “COVID-19 vaccination in this group should be a high priority.”

Last Booster for the Next Year?

U.S. health officials predict people who receive an updated COVID-19 booster won’t need another booster for a year. According to Dr. Jha, people may be able to receive a single booster each year that’s been updated to combat the most prevalent coronavirus variants. “Barring any new variant curveballs, for a large majority of Americans, we are moving to a point where a single, annual COVID shot should provide a high degree of protection against serious illness all year,” he said during a press briefing.

Booster Side Effects

Potential side effects, both common and rare but serious, are similar to those of previous versions of the vaccine. Common side effects include fever, headache, and fatigue. These side effects are similar to those of a mild flu and may affect your quality of life. It may be helpful to schedule your vaccination for a day when you’ll be able to rest afterward.

Side effects generally fade within a few days. Applying a cool, clean washcloth to the injection site can reduce discomfort. It may also help to move your arm around to relax your muscles and lessen soreness. Try to drink plenty of fluids after the vaccination.

Contact your health care provider if these side effects last longer than a few days, if they seem especially intense or worrisome, or if your injection site is still red and irritated 24 hours after your shot.

The Bottom Line

Health experts generally agree that severe side effects from a COVID-19 vaccine are extremely rare. “The benefits of COVID-19 vaccination outweigh the known and potential risks,” notes the CDC.

People who aren’t fully vaccinated face a higher risk of developing a severe COVID-19 infection, requiring hospitalization, or dying from the disease.

If you’re living with PH and have questions or concerns about getting the updated booster, speak with your pulmonologist or another health care provider.

Find Your Team

On myPHteam, the online social network for people with pulmonary hypertension and their loved ones, more than 47,000 members come together to ask questions, give advice, and share their stories with others who understand life with PH.

Are you planning to get the updated COVID-19 booster? Share your experience in the comments below, or start a conversation by posting on your Activities page.

References
  1. CDC Recommends the First Updated COVID-19 Booster — Centers for Disease Control and Prevention
  2. FAQ on Vaccines for the PH Community — Pulmonary Hypertension Association
  3. Coronavirus (COVID-19) Update: FDA Authorizes Moderna, Pfizer-BioNTech Bivalent COVID-19 Vaccines for Use as a Booster Dose — U.S. Food and Drug Administration
  4. COVID-19 Bivalent Vaccine Boosters — U.S. Food and Drug Administration
  5. People Who Recently Caught COVID Can Wait a Few Months To Get Omicron Booster, Top Health Official Says — CNBC
  6. Stay Up to Date With COVID-19 Vaccines — Centers for Disease Control and Prevention
  7. COVID-19 Vaccines for People Who Are Moderately to Severely Immunocompromised — Centers for Disease Control and Prevention
  8. Omicron Booster Shots Are Coming — With Lots of Questions — Science
  9. Flu Shot: Your Best Bet for Avoiding Influenza — Mayo Clinic
  10. The New COVID Booster Could Be the Last You’ll Need for a Year, Federal Officials Say — NPR
  11. COVID-19 Vaccination in Patients With Pulmonary Arterial Hypertension and Chronic Thromboembolic Pulmonary Hypertension: Safety Profile and Reasons for Opting Against Vaccination — Vaccines
  12. COVID-19: Frequently Asked Questions — Centers for Disease Control and Prevention
  13. Safety of COVID-19 Vaccines — Centers for Disease Control and Prevention
  14. Variants — Centers for Disease Control and Prevention
  15. What To Expect After Getting a COVID-19 Vaccine — University of California
  16. Coronavirus (COVID-19) Update: FDA Authorizes Moderna and Pfizer-BioNTech Bivalent COVID-19 Vaccines for Use as a Booster Dose in Younger Age Groups — U.S. Food and Drug Administration
  17. CDC Expands Updated COVID-19 Vaccines To Include Children Ages 5 Through 11 — Centers for Disease Control and Prevention

All updates must be accompanied by text or a picture.
Manuel Penton, M.D. is a medical editor at MyHealthTeam. Learn more about him here.
Ted Samson is a copy editor at MyHealthTeam. Learn more about him here.

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