Selective focus of blurred scientist in gloves, goggles and face mask looking at test tube with blue liquid, shaking it
Selective focus of blurred scientist in gloves, goggles and face mask looking at test tube with blue liquid, taking sample with dropper from it
Medium long of male scientist wearing face mask, gloves, medical gown and hat sitting at desk in laboratory, examining liquid in test tube, turning around and talking to colleague
Close up of Middle Eastern male scientist wearing eyeglasses, disposable face mask and gloves looking at test tube with red liquid in his hands while working in lab
Medium shot of face mask wearing scientists working in a laboratory
Medium shot of Black male scientist wearing white lab coat, face mask and gloves sitting at table in laboratory with unrecognizable liquids in glass test tubes and flasks on it and conducting research
Medium long of Caucasian female scientist wearing face mask, gloves, medical gown and hat sitting at desk in laboratory, blurred colleague passing over test tube with liquid, woman examining it
Female teacher wearing face mask holding test tube at laboratory at school
focus on test tubes with pink and blue liquid in the arm of fully protected scientist
Waist up of female scientist wearing face shield, mask, gloves and lab coat using microscope while doing examination of liquid from test tube, working with diverse male colleagues in laboratory
A scientist at a pharmaceutical company developing drugs wearing a blue respirator and safety glasses holds a new drug a glass tube with a yellow liquid in his hands and looks at it
Medium shot of scientists wearing hair nets and face masks working in a laboratory