By CBSLA Staff

LOS ANGELES (CBSLA) – Drug-maker Pfizer made a big announcement Wednesday that its COVID-19 vaccine is 100 percent protective in kids as young as 12 years old.

Pfizer said it will ask the U.S. Food and Drug Administration for emergency use authorization in a few weeks, with the hope of starting to vaccinate this new and younger age group before the start of the next school year.

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Preliminary data from the study of over 22,000 participants shows there were no cases of COVID-19 among the fully vaccinated adolescents ages 12 to 15. Researchers also reported finding high levels of the virus-fighting antibodies.

Emma-Kate Stibler, 13, a teen from Tennessee, has been participating in Pfizer’s vaccine trial since January.

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“I did it to help get information and data on children vaccinated,” said Stibler. “Great to hear that now teens can get vaccinated sooner get closer to normal herd immunity “

Stibler said after the shots, she had mild symptoms like a sore arm and fever.

Her 11-year-old brother will participate in Moderna’s COVID-19 children vaccine trial next month.

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Pfizer has already started testing the next age group: 6 months old to 11 years of age.