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SHUTTERSTOCK
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Oregon Health & Science University staff collect samples of 600 people a day at two mobile testing sites in the Portland area.
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OHSU
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SHUTTERSTOCK
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SHUTTERSTOCK
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Anthony Fauci is director of the National Institute of Allergy and Infectious Diseases./National Institutes of Health
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SHUTTERSTOCK
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CREATIVE COMMONS
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NATIONAL CANCER INSTITUTE
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Photo by Dimitri Houtteman on Unsplash
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KHN ILLUSTRATION