LOUISVILLE, Ky. (WDRB) -- Norton Children's Research Institute is still accepting volunteers for its COVID-19 clinical vaccine trials for children.

Right now, the study focuses on kids ages 6 months to 4 years old. At random, two kids will be assigned to get the Pfizer vaccine for every one child who gets a placebo.

Parents will be asked to track changes and be present for six in-person visits over a two-year period.

Norton Children's is the only site in Louisville offering the trial, along with 100 participating sites around the world.

"We're certainly seeing an increase in the amount of hospitalizations amongst the children in our community since the delta variant has taken hold," Dr. Daniel Blatt, investigator for the Pfizer Pediatric Trial, said. "Our children need the vaccine, and we have an excellent support system here to be able to be a part of the trial that allows the vaccine to come into play here for children.

At the end of the trial, those who got a placebo will be allowed to get the real COVID-19 shot.

Families interested in volunteering can sign up by clicking here.

Copyright 2021 WDRB Media. All Rights Reserved.