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Physician wearing personal protective equipment performing a Coronavirus COVID-19 PCR test, patient nasal NP and oral OP swab sample specimen collection process, viral rt-PCR DNA diagnostic procedure
Doctor making covid-19 PCR test for male patient at home. Millennial guy undergoing coronavirus diagnostic procedure indoors. Viral disease prevention and treatment concept
online exam, choose correct answer in test
Medical NHS UK worker performing drive-thru COVID-19 check,taking nasal swab specimen sample from male patient through car window,PCR diagnostic for Coronavirus presence,doctor in PPE holding test kit
Dripping liquid from pipette into test tube in laboratory, closeup

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