male nurse holds medical test tubes for coronavirus worker protective coveralls and respiratory mask |
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| navigate by keyword : analysis background biochemistry blue care china chinese clinic clinical closeup collect coronavirus coverall covid covid19 diagnostic disease doctor equipment express gloves hand health hospital illness lab label laboratory liquid mask medical medicine microbiology ncov overall positive professional protective research result sample swab test tube values wuhan |
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| Male nurse holds medical test tubes for coronavirus. Medical worker in protective coveralls and respiratory mask is about to take a swab on covid-19. Corona virus outbreaking. |
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