Pediatrician shares advice for parents hesitant to let receive COVID-19 vaccine "Five percent of the population is ages 12 to 15-years-old and that's a huge amount of people we need to get to the herd immunity threshold," Dr. Daniel Blatt said. Author: Senait Gebregiorgis (WHAS 11) Published: 6:40 PM EDT May 12, 2021 Updated: 7:00 PM EDT May 12, 2021 LOUISVILLE, Ky. — Editor's note: The video aired above indicates one of the children is age 12. The child is age 14. A parent or guardian will walk through the process with them. "The only main difference that we'll have is there is a consent process as the first step," vice president of operations with Norton Healthcare Craig Johnson said. "We are excited about [the more than 3,000 that have registered] I'll say that hopefully it's a sign that this community is continuing to want to get vaccinated."