Testing for the coronavirus at a drive-thru testing site in Phoenix, Ariz., on Saturday, June 27, 2020. (Adriana Zehbrauskas/The New York Times) PHOENIX — As infections surged through Arizona’s desert landscape this week, word spread that the Round Valley Rodeo, a century-old tradition luring calf ropers, youth riders and big […]

TUCSON, AZ — As several infernos burn across Arizona, the U.S. Forest Service is warning that the combined health risks of wildfire smoke and coronavirus shouldn’t go ignored. In a document released earlier this month, the agency said that the viral outbreak”complicates public health response to wildfire smoke.” “People who […]