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Bivalent COVID-19 Vaccine Boosters – what you need to know

Update September 12, 2022 based on guidance from the FDA.

Based on guidance from the FDA, the CDC now recommends a bivalent vaccine booster dose for everyone aged 12 and older. Bivalent boosters, also known as updated boosters, are available now from Moderna and Pfizer-BioNTech. The updated vaccine adds Omicron BA.4 and BA.5 spike proteins to the current vaccine composition to better protect against more contagious and resistant COVID variants. These variants are currently the most widespread strains of COVID-19 circulating in the United States.

What is a bivalent vaccine?

A bivalent vaccine is a one that works by stimulating an immune response against two different substances such as bacteria, and viruses. Both the new Moderna and Pfizer COVID-19 boosters are bivalent, which means they combine the companies’ original vaccine with a new vaccine.

Who is eligible for the bivalent COVID-19 vaccine booster dose?

  • Individuals 18 years of age or older can receive a single booster dose of the Moderna COVID-19 Vaccine, Bivalent.
  • Individuals 12 years of age or older can receive a single booster dose of the Pfizer-BioNTech COVID-19 Vaccine, Bivalent.

Have these doses already arrived in Nevada?

YES, the new bivalent COVID-19 boosters have arrived and are in the process of being distributed to partners across the state so, they may begin to be administered right away.[1] 

Where can I get the bivalent COVID-19 boosters?

The new bivalent COVID-19 boosters are available at pharmacies, local health authorities, and most primary care provider offices. Bring your vaccine card with you to the vaccine clinic/site. If you do not have your vaccine card, you can request one from your previous vaccinator or request your vaccination record through Your vaccinator may require you to complete a form to verify your eligibility.

Visit for a location near you.

Can I get my COVID-19 booster and flu shot at the same time?

YES, it’s safe to do so and encouraged. If you’re eligible for your COVID-19 booster, you can get your flu shot on the same day.

When can my child under the age of 12 be boosted?

Pediatric data on these vaccines is expected within the next few months. When data is available and the FDA authorizes COVID-19 boosters for this age group, the CDC will quickly move to make them available.

Immunize Nevada

Immunize Nevada

Immunize Nevada, an award winning 501c3 non profit, is widely recognized as Nevada’s trusted resource for immunizations and community health for all ages by fostering education and statewide collaboration.