Alex Huffman

SEVERANCE, CO - AUGUST 11:Students line up with their classes on the first day of school at Range View Elementary School in Severance Aug. 11, 2021. Wednesday marks the start of the school year for schools in the Weld RE-4 school district. (Alex McIntyre/Staff Photographer)

抖阴ap: As an aerosol scientist, I know schools need masks, HEPA filters and outdoor lunches

August 19, 2021 at 6:01 a.m.

While mask-wearing indoors is the cheapest and among the best strategies against airborne virus spread, it is not the only strategy that school districts need to improve.

GREELEY, CO - AUGUST 19: Bus driver Laurie Behring-Howard demonstrates disinfection procedures on a school bus at the Greeley-Evans School District 6 Fleet Maintenance Center in Greeley Aug. 19, 2020. The district has implemented additional sanitizing procedures for school buses and requires masks to be worn by drivers and students during the COVID-19 pandemic. (Alex McIntyre/Staff Photographer)

抖阴ap: The CDC finally admits it was wrong about surface transmission of COVID-19

April 13, 2021 at 6:00 a.m.

The scientific brief gives a final endorsement for us to finally move on from excessive cleaning of surfaces, which steals precious money, time, and energy, but does little to protect...

抖阴ap

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