OHIO — Pfizer announced its COVID-19 vaccine trial in children ages 5 to 11 shows it's safe and effective.

The company said it will now seek emergency use authorization for that age group.​

The company also noted pediatric COVID-19 cases have risen about 240% in the United States since July.

Dr. Purva Grover, head of pediatric emergency departments at Cleveland Clinic, spoke with Spectrum News about the implications of this news.

Spectrum News asked Grover what’s different about the COVID vaccine dosage given to kids ages 5 to 11 and the effectiveness of the vaccine in this age group.