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    Male laboratory assistant holding chemical flask. — Stock Photo
    Male laboratory assistant holding chemical flask.
    Female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate patient in clinic during coronavirus outbreak — Stock Photo
    Female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate patient in clinic during coronavirus outbreak
    Female photographer pouring a chemical on lens cover in photo studio — Stock Photo
    Female photographer pouring a chemical on lens cover in photo studio
    Young female photographer checking a chemical in photo studio — Stock Photo
    Young female photographer checking a chemical in photo studio
    Ethnic doctor filling in syringe from bottle with vaccine preparing to vaccinate male African American patient in white background in a clinic during coronavirus outbreak — Stock Photo
    Ethnic doctor filling in syringe from bottle with vaccine preparing to vaccinate male African American patient in white background in a clinic during coronavirus outbreak
    Mid section of scientist doing experiment in lab — Stock Photo
    Mid section of scientist doing experiment in lab
    Doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable female African American patient in clinic during coronavirus outbreak — Stock Photo
    Doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable female African American patient in clinic during coronavirus outbreak
    Lab technician adding liquid from graduated cylinder to beaker — Stock Photo
    Lab technician adding liquid from graduated cylinder to beaker
    Schoolboy doing science experiment in school chemistry laboratory. — Stock Photo
    Schoolboy doing science experiment in school chemistry laboratory.
    Male photographer cleaning a lens cover with liquid in photo studio — Stock Photo
    Male photographer cleaning a lens cover with liquid in photo studio
    Close-up of scientist hand pouring reagent into flask for chemical research. — Stock Photo
    Close-up of scientist hand pouring reagent into flask for chemical research.
    Female photographer cleaning a lens cover with liquid in photo studio — Stock Photo
    Female photographer cleaning a lens cover with liquid in photo studio
    Close-up of scientist hand agitating liquid in flask for chemical research. — Stock Photo
    Close-up of scientist hand agitating liquid in flask for chemical research.
    Scientist pipetting solution into the glass test tube at lab — Stock Photo
    Scientist pipetting solution into the glass test tube at lab
    Close-up of scientist hand pouring reagent into flask for chemical research. — Stock Photo
    Close-up of scientist hand pouring reagent into flask for chemical research.
    Woman doing experiment in chemical laboratory. — Stock Photo
    Woman doing experiment in chemical laboratory.
    Teenage girl experimenting chemical in laboratory at university — Stock Photo
    Teenage girl experimenting chemical in laboratory at university
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable African American man patient in clinic during coronavirus outbreak — Stock Photo
    Female doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable African American man patient in clinic during coronavirus outbreak
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Unrecognizable medic in protective face shield mask and latex gloves with vial of coronavirus vaccine and syringe showing to camera while standing in hospital room — Stock Photo
    Unrecognizable medic in protective face shield mask and latex gloves with vial of coronavirus vaccine and syringe showing to camera while standing in hospital room
    Conical flask glassware with solution on table in science laboratory — Stock Photo
    Conical flask glassware with solution on table in science laboratory
    Teenage boy experimenting chemical solution in laboratory — Stock Photo
    Teenage boy experimenting chemical solution in laboratory