Covid-19, coronavirus di wuhan china, campione di sangue infetto nel tubo del campione in mano dello scienziato nel laboratorio di rischio biologico - Foto e immagini stock

Medical scientists are researching skulls.

Chemical tubes set development and pharmacy in laboratory

Female and male scientist wear hairnet,safety glasses and mask looking chemical liquid in beaker and test tube in laboratory room

Chemical tubes set development and pharmacy in laboratory with green bokeh through windows

Scientist studying samples of soil in laboratory

Forensic scientist removes bone from human skeleton to investigate murder and take samples in crime lab, concept image

Ancient DNA Analysis. Female scientist holding micro tube with sample in ancient DNA laboratory.

Asian schoolboy in glasses and lab coat examining chemical substance through microscope while conducting scientific experiment in school laboratory.

Coronavirus covid-19 infected blood sample in sample tube on hand of scientist in biohazard protection clothing doing analysis to virus sample in laboratory