David Engelthaler

As COVID-19 wages another relentless attack across the country, Flagstaff, Phoenix, Peoria, Tempe and Tucson are requiring masks in city facilities for staff members and visitors – whether they are vaccinated or not – as the highly contagious delta variant is being blamed for the surge. “Delta has become overwhelmingly dominant in our state and pretty much everywhere else,” said David Engelthaler, director of the infectious disease branch of TGen North. “Delta is an extremely fast-spreading … [Read more...] about Disinfecting on the Navajo Nation