Doses for children younger than 6 will depend on their age, the vaccine and their vaccination history. People 65 and older may get a second bivalent booster at least four months after their first bivalent vaccine dose. Pfizer and Moderna boosters: People ages 6 and older should get one dose of Pfizer or Moderna’s bivalent booster regardless of whether they previously completed their primary series.The original monovalent vaccines are no longer available. The Centers for Disease Control and Prevention (CDC) recommends getting an omicron-specific (bivalent) booster, which targets the original strain of the coronavirus as well as the BA.4 and BA.5 omicron subvariants. Which boosters are available and who can get them? Food and Drug Administration (FDA) updated its J&J guidance due to a rare but serious blood clotting disorder associated with the one-shot vaccine. Johnson & Johnson (J&J): Authorized for people 18 and older who only have access to the J&J vaccine, or who cannot receive a Pfizer or Moderna vaccine for medical reasons.Novavax uses a more traditional vaccine technology, directly delivering a lab-made version of the COVID spike protein upon injection. Requires two shots spaced apart for full primary vaccination. Novavax: Authorized for people age 12 and older.Children under 6 may need a few shots of the bivalent vaccine, depending on their age and vaccination status, according to CDC recommendations. Most unvaccinated people will now need just one dose of the bivalent vaccine, instead of two doses of the original vaccine. The original vaccines, called monovalent vaccines, are no longer available. ![]() ![]() Both drugmakers have introduced updated bivalent vaccines to target both the original strain of the coronavirus and omicron subvariants. Both Pfizer and Moderna use mRNA technology, which prompts the body to make its own version of COVID-19’s spike protein, a key part of the virus.
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