African scientist or graduate student in lab coat and protective wear performs PCR testing of patient samples in modern test laboratory. Troubleshooting pcr kits to diagnose Covid-19 patients.

African scientist or graduate student in lab coat and protective wear performs PCR testing of patient samples in modern test laboratory. Troubleshooting pcr kits to diagnose Covid-19 patients. - 144674084

Young female scientist in lab coat using pipette and holding test tube

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