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Middle age scientist and researcher work in chemical laboratory
Middle aged Caucasian woman with short hair and glasses sitting among diverse group of medical professionals attending seminar, holding notebook and smiling, wearing lab coat
Senior male researcher carrying out scientific research in a lab (shallow DOF; color toned image)
Team of medical research scientists conducting vaccine development with help of high tech, test tubes, micropipette and writing down analysis results on computer in modern equipped laboratory at night
The researcher looks under the microscope near a beaker from which white smoke comes out. Blue glove and goggles

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