Coronavirus 2019-nCoV Sample. medical nurse holding test-tube. Epidemic disease - Stock Photo & Image

Close up laboratory worker hold blood sample in tube and place on rack.

Biologist dropping blood into the tube with liquid, working at laboratory. Medical technician holding a blood sample in tubes for test in the laboratory.

Close up laboratory worker hold blood sample in tube and place on rack.

Medical technician dropping a blood sample in tubes for test in the laboratory.

Coronavirus or COVID-19 diagnosis concept photo. Doctor holding laboratory test tube with blood with COVID-19 paper on it and marked with positive result, which means that patient is sick coronavirus

A scientist researcher in the laboratory is testing drugs for treatment of viral pneumonia. Coronovirus blood test of infected patients. World pandemic.

Coronavirus covid19 infected blood sample in sample tube on table in corona virus laboratory

A scientist researcher in the laboratory is testing drugs for treatment of viral pneumonia. Coronovirus blood test of infected patients. World pandemic.