Col. Scott Coradi (left), 111th Medical Group commander and medical adviser for Pennsylvania Task Force South trains members of Task Force Ghostrider, Spc. Joshua Vargo (center) and Spc. Kristien Quintanilla (right) on proper procedures how to administer a COVID-19 test in Lancaster, Pa., on May 19, 2020. Under guidance from the Pennsylvania Department of Health, and monitored by CDC officials, Pennsylvania National Guard members with Task Force Ghostrider launched a point prevalence sampling strike team in Lancaster. The mission is designed to identify possible risks of exposure to COVID-19 by testing the entire staff and residents for the virus. This is the first in the pilot program that will reach out across the state. (U.S. Air National Guard photo by Master Sgt. George Roach)

Spc Dominique Dalessio (left) and Sgt. Shane Brandes (right) adjust their face shields and personal protective equipment while preparing for the mission to administer COVID-19 tests at the Lancashire Hall Nursing and Rehab Center in Lancaster, Pa., on May 19, 2020. Under guidance from the Pennsylvania Department of Health, and monitored by CDC officials, Pennsylvania National Guard members with Task Force Ghostrider launched a point prevalence sampling strike team in Lancaster. The mission is designed to identify possible risks of exposure to COVID-19 by testing the entire staff and residents for the virus. This is the first in the pilot program that will reach out across the state. (U.S. Air National Guard photo by Master Sgt. George Roach)

Col. Scott Coradi, 111th Attack Wing Medical Group commander and medical adviser for Pennsylvania Task Force South, trains Task Force Ghostrider personnel on proper personal protection equipment use in Lancaster, Pa., on May 19, 2020. Under guidance from the Pennsylvania Department of Health, and monitored by CDC officials, Pennsylvania National Guard members with Task Force Ghostrider launched a point prevalence sampling strike team in Lancaster. The mission is designed to identify possible risks of exposure to COVID-19 by testing the entire staff and residents for the virus. This is the first in the pilot program that will reach out across the state. (U.S. Air National Guard photo by Master Sgt. George Roach)

Col. Scott Coradi, (left) 111th Medical Group Commander and medical advisor for Pennsylvania Task Force South, trains members of Task Force Ghostrider, Spc. Dominique Dalessio (center) and Sgt. Shane Brandes (right) on proper procedures how to administer a COVID-19 test in Lancaster, Pa., on May 19, 2020. Under guidance from the Pennsylvania Department of Health, and monitored by CDC officials, Pennsylvania National Guard members with Task Force Ghostrider launched a point prevalence sampling strike team in Lancaster. The mission is designed to identify possible risks of exposure to COVID-19 by testing the entire staff and residents for the virus. This is the first in the pilot program that will reach out across the state. (U.S. Air National Guard photo by Master Sgt. George Roach)

Spc. Dominique Dalessio (left, in black) and Sgt. Shane Brandes (center, in black) with some of the other members of Task Force Ghostrider (far right) prepare for the mission to administer COVID-19 tests at the Lancashire Hall Nursing and Rehab Center, in Lancaster, Pa., on May 19, 2020. Under guidance from the Pennsylvania Department of Health, and monitored by CDC officials, Pennsylvania National Guard members with Task Force Ghostrider launched a point prevalence sampling strike team in Lancaster. The mission is designed to identify possible risks of exposure to COVID-19 by testing the entire staff and residents for the virus. This is the first in the pilot program that will reach out across the state. (U.S. Air National Guard photo by Master Sgt. George Roach)