Cropped view of doctor in latex glove holding test tube with antigen lettering isolated on grey - Stock fotó és kép

Coronavirus testing. The hand holds tubes containing samples of patients in whom positive and negative results on the coronavirus COVID-19 were detected.

Test tube inscription virus, coronavirus study, virus research

Coronavirus testing. A hand holds a test tube containing a patients sample that has tested positive for coronavirus COVID-19.

Hand of caucasian young woman holding tests tube with coronavirus results over isolated yellow background

Professional doctors perform COVID-19 tests from samples of blood tests to diagnose coronary virus infections analysis and sampling of infectious diseases medical concepts and health care.

Hand in mediaclal glove holds blood test tube with positive tag, test tube with blood for 2019 nCOV analyzing. Laboratory testing patient s blood.