WASHINGTON – First lady Jill Biden’s positive Covid-19 test last weekend was the latest, and most high-profile, reminder that cases are once again on the rise in the U.S. and in Arizona, where new infections per week have more than doubled since early July.
The Arizona Department of Health Services said Wednesday that there were 2,476 new cases reported in the previous seven days, and 3,457 new cases reported a week earlier, compared to 1,415 in the week before July 2.
While those numbers are…
