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Miner Walking on a Treadmill in the Black Lung Laboratory at the Appalachian Regional Hospital in Beckley, West Virginia During the Test Blood Samples Will Be Taken From His Wrist, and His Heartbeat Will Be Monitored 06/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of a VERO E6 cell (blue) heavily infected with SARS-COV-2 virus particles (orange), isolated from a patient sample. Original image sourced from US Government department: The Nationa
by Free Public Domain Illustrations by rawpixel
by Free Public Domain Illustrations by rawpixel

Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of an apoptotic cell (green) infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample. Original image sourced from US Government department: The National In
by Free Public Domain Illustrations by rawpixel
by Free Public Domain Illustrations by rawpixel

A Technician at the Black Lung Laboratory in the Appalachian Regional Hospital in Beckley, West Virginia, Monitors a Miner Whose Lung Capacity Is Being Tested 06/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of an apoptotic cell (blue) heavily infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample. Original image sourced from US Government department: The Nati
by Free Public Domain Illustrations by rawpixel
by Free Public Domain Illustrations by rawpixel

Sign to Laboratory Where Black Lung Studies Are Underway with Supervision by Dr. Donald Rasmussen 06/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)

MERS Coronavirus Particles–Colorized scanning electron micrograph of Middle East Respiratory Syndrome virus particles attached to the surface of an infected VERO E6 cell. Original image sourced from US Government department: The National Institute o
by Free Public Domain Illustrations by rawpixel
by Free Public Domain Illustrations by rawpixel

Delila Lafon. A Technician at the Black Lung Laboratory at the Appalachian Regional Hospital in Beckley, West Virginia Observes a Miner Being Tested on a Treadmill 06/1974
by U.S. National Archives
by U.S. National Archives
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)
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