Three-year-old twins Luca, left, and Quincy Yacoub show off their Band-Aids after getting a COVID-19 vaccine from KJ Dionisio at the Southern Nevada Health District in Las Vegas Wednesday, June 22, 2022. The health district began offering COVID-19 vaccines to children 6 months to 5 years of age on Wednesday. (K.M. Cannon/Las Vegas Review-Journal) @KMCannonPhoto