More than 3 million COVID-19 vaccine doses have been administered to Maricopa County residents as of May 19, according to a weekly data update from Maricopa County Department of Public Health.

Additionally, 41% of all Maricopa County residents and 47% of Maricopa County residents 10 years and older have received at least one dose of COVID-19 vaccine, according to the county. Vaccine eligibility opened May 13 to kids between the ages of 12 and 15 in Arizona.

Over 6,400 12- 15-year-olds got their first dose of Pfizer vaccine in the four days after it was approved for use on children, according to the county.