Plans in place to vaccinate kids ages 12 to 15 in Erie, Niagara counties Erie County and Niagara County are both ready to start vaccinating children ages 12 to 15 if the Pfizer vaccine is approved for them later this month. Author: Kelly Dudzik Updated: 5:26 PM EDT May 7, 2021 BUFFALO, N.Y. — The Pfizer vaccine is expected to be available for kids ages 12 to 15 soon, so 2 On Your Side wanted to see what's being done to get ready for that. There will be special clinics for 12 to 15-year-olds in some cases, and you can also go to your pediatrician so you and your kids are comfortable with someone you know.