AP
Pfizer COVID-19 vaccine works well in big 'real world' test
FILE - In this Thursday, Feb. 18, 2021 file photo, a pharmacist prepares a syringe with Pfizer’s vaccine at a COVID-19 vaccination site in New York. A real-world test of Pfizer’s COVID-19 vaccine in more than half a million people has confirmed it's highly effective at preventing serious illness or death, even after one dose, according to a report released on Wednesday, Feb. 24, 2021. (AP Photo/Mary Altaffer)
As water lifeline evaporates, Arizona faces a cultural change over water use
