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Should You Get the Newest COVID-19 Vaccine?

The latest vaccine offers the most up-to-date protection

person getting a booster shot

Viruses change all the time in an effort to do one simple thing: Bypass your body’s defensive immune system and make copies of itself so it can infect others and survive.

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We see this happen with influenza (the flu). And every year, we design flu vaccines that can fight off new and dominant strains of the virus to minimize its spread and the severity of symptoms associated with the flu.

Coronaviruses are no different: They’re the latest in a long line of respiratory viruses that continue to evolve and peak during the fall and winter seasons.

To prepare for this year’s respiratory season, the U.S. Centers for Disease Control and Prevention (CDC) has announced the release of a new, updated COVID-19 vaccine. This vaccine specifically targets current circulating variants of the virus, including XBB.1.5, EG.5.1 and FL.1.5.1.

So, what does that mean if you already got the previous bivalent omicron booster? And what if you or your child has never had a COVID-19 vaccine before? Infectious disease specialist Ryan Miller, DO, and occupational health specialist Craig Thorne, MD, explain how the updated vaccine works and who should get it as soon as possible.

How do you know if you need another COVID-19 booster?

The new 2023 COVID-19 vaccine is different from bivalent boosters of the past because it stands on its own as a way of protecting against current variants of the virus. Similar to vaccines that protected against the original virus, this updated vaccine is an mRNA monovalent vaccine that contains a single component that corresponds to a specific variant of the virus.

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In simpler terms, according to the CDC, this means the new vaccine is designed to be the only effective way to protect against current circulating variants.

“The new 2023 vaccine includes more recent COVID-19 strains in its mRNA,” explains Dr. Miller. “They’re more up-to-date and should provide current immunity because the effectiveness of the bivalent vaccine was waning.”

In fact, the U.S. Food and Drug Administration (FDA) has shifted away from calling this a booster, instead referencing it as an updated COVID-19 vaccine. “This change in wording reflects that we have begun treating COVID-19 like we treat the flu, with an annual vaccination,” says Dr. Thorne. “We encourage people to get their ‘annual flu shot,’ not a ‘flu booster.’ Calling it an updated COVID-19 vaccine also reflects that we are not just boosting existing immunity from previous vaccinations — this vaccine builds a new immune response to COVID-19 variants that are currently circulating.”

If you or your children belong in any of the following categories, you should get at least one dose of the updated 2023 vaccine as soon as possible:

  • Anyone older than 6 months who’s never had a COVID-19 vaccine.
  • Children 6 months to 4 years of age who’ve begun or completed their COVID-19 vaccine schedule.
  • Everyone 5 and older who didn’t receive a COVID-19 vaccine in the past two months but was previously vaccinated for COVID-19.
  • People who are immunocompromised.

When are you up-to-date on COVID-19 vaccines?

“You’re not up-to-date on COVID-19 vaccination unless you receive this new COVID-19 vaccine,” states Dr. Miller. “Even if you’ve had a COVID vaccine in the last six months, you’re not considered up-to-date until you have this new vaccine.”

According to the CDC, the following guidelines are helpful to determine whether or not you’re up-to-date on current COVID-19 vaccination:

  • Everyone aged 5 years and older is up-to-date when they get one updated Pfizer-BioNTech or Moderna COVID-19 vaccine.
  • Children aged 6 months to 4 years are up-to-date when they get at least one updated COVID-19 vaccine in one of the following formats:
    – Three doses of the Pfizer-BioNTech COVID-19 vaccine.
    – Two doses of the Moderna COVID-19 vaccine.
  • People who are unable or choose not to get a recommended mRNA vaccine are up-to-date when they get the Novavax COVID-19 vaccine doses approved for their age group.
  • People who received the Johnson & Johnson/Janssen COVID-19 vaccine are up-to-date when they get one updated COVID-19 vaccine.

If you’re older than 65 or are immunocompromised, you may also get additional updated vaccines as-needed:

  • People 65 and older may get one additional dose of COVID-19 vaccine four or more months after their first updated COVID-19 vaccine.
  • People who are moderately or severely immunocompromised may get one additional dose of updated COVID-19 vaccine two or more months after the last updated COVID-19 vaccine.

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COVID-19 is still dangerous. If you’re ever concerned about or unsure of your COVID-19 immunity, making an appointment with a healthcare provider can provide some much-needed clarity before you find yourself in peak respiratory season.

And now that we’re able to get an updated COVID-19 vaccine alongside frequently updated flu vaccines, as well as a new vaccine for RSV (respiratory syncytial virus), we can begin to better protect ourselves and others during critical times for infections.

“The approach to the most current version of the COVID-19 vaccine is similar to how we approach updated flu vaccines every year,” clarifies Dr. Miller. “We anticipate that COVID-19 vaccine rollouts will turn into what our current flu vaccination campaigns are now — every fall, we’ll offer a new, updated version of the vaccine.”

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