Boosters for 5-11-year-olds approved

This week, the U.S. Food and Drug Administration amended the Emergency Use Authorization for the Pfizer-BioNTech COVID-19 vaccine, authorizing a single booster dose for children 5 through 11 years old, whose last dose was at least five months prior. The Center for Disease Control and Prevention’s Committee on Immunization Practices forwarded a recommendation to the CDC director, which was approved, and the Western States Scientific Safety Review Workgroup reviewed the recommendation, Thursday evening.

The decision goes into effect today, May 20, and states:

  • Children ages 5 through 11 who are not immunocompromised should get a booster dose at least five months after receiving the second dose in their primary vaccine series.
  • Children ages 5 through 11 who are immunocompromised (and who have received a third primary series dose) should get a booster dose at least three months after receiving the third dose in their primary vaccine series.

Oregon Health Authority (OHA) estimates that there are more than 337,000 Oregon children ages 5 through 11. As of Thursday, 36.5% of children in this group had completed their vaccination series.

“Boosters are especially likely to benefit children who are at high risk for severe disease,” said Paul Cieslak, medical director for communicable diseases and immunizations at OHA. “Boosters may also prevent children from spreading the virus to loved ones who are at high risk.”

Since the start of the pandemic, 15,000 children ages 5 through 11 have been hospitalized with COVID-19 in the U.S., and more than 180 have died. Booster doses restore the immune system and extend protection from COVID-19 infection and severe illness.

“With over 18 million doses administered in this age group, we know that these vaccines are safe, and we must continue to increase the number of children who are protected,” said CDC Director Dr. Rochelle P. Walensky.  

Changes to second booster guidelines

The CDC this week also strengthened its guidelines for getting a second COVID-19 booster dose.

  • People age 12 and up who are moderately to severely immunocompromised should receive a second booster dose at least four months after their first booster dose.
  • Adults age 50 and up should receive a second booster dose at least four months after their first booster dose.
  • When the CDC initially approved a second booster dose for the above groups, the agency said people “may” choose to get a second booster dose. Now the agency says people in the above groups “should” get a second booster dose. The agency cited rising case numbers and a substantial increase in COVID-19-related hospitalizations for older Americans in this change.

COVID-19 vaccines and boosters are safe and effective for children

The effectiveness of the two-dose series in preventing infection by the Omicron variant wanes over a few months. Boosters were shown to increase antibodies against Omicron in children 5–11 years of age to 36 times the level they had after the second dose.

“Most important, though, is to get that primary series into kids who haven’t had it yet,” said Cieslak.

Vaccination is the best way to protect children from severe illness and the long-term effects of COVID-19 that are still not fully understood.

You can find a vaccine provider by visiting Get Vaccinated Oregon, the CDC’s site or by visiting your local pharmacy. You can also call 211, text ORCOVID to 898211 or email

If you have any questions about COVID-19 vaccines or boosters for children ages 5 through 11, please submit them here. We are unable to answer every question we receive, but we try to answer those that could inform a wide audience. Additionally, the FDA is expected to meet next month to review requests from Moderna and Pfizer to authorize their COVID-19 vaccines for children as young as 6 months old. Feel free to submit questions about that as well.

Contact your child’s pediatrician to discuss a booster dose, or go to a local pharmacy. People wanting booster doses for their 5-11-year-olds can also come to the Malheur County Health Department, 1108 SW 4th St., Ontario, Ore., any Wednesday between 9 a.m. and noon, and 1 p.m. to 4:30 p.m., and walk-in to the vaccination clinic.

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