hand of laboratory technician holding test tubes chemical tubes to do vaccine or medical research, researching in lab

adult analysis background biological biology biotechnology blue chemical chemist chemistry clinic concept dentistry doctor doing eating equipment experiment female glass gown hand health healthcare hospital lab laboratory life liquid marine mask medical medicine natural nurse occupation pandemic patient people person pipette professional research researching room sample science scientific scientist slowly small taplate technician technology test testing treatment tube turtles two vaccine virus wearing white wildlife woman work