Cleaning Protocols Certified nursing assistant Cheri Knott teaches room cleaning protocols to Army Pvt. Aaron Marton and Army Spc. Jeremy Roe with the 1st Battalion, 186th Infantry Regiment, Oregon National Guard, at Mercy Medical Center in Roseburg, Ore., Aug. 21, 2021. The soldiers are part of a statewide effort to help Oregon hospitals with support functions due to reported increases in COVID-19 cases and staff shortages. SHARE: Download: Full Size (2.6 MB) Tags: national guard, Coronavirus Credit: Oregon National Guard Maj. W. Chris Clyne VIRIN: 210821-Z-ZJ128-1003.JPG Photo Gallery