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    Scientist hand carrying bacteria colonies growing in Petri dish. — Stock Photo
    Scientist hand carrying bacteria colonies growing in Petri dish.
    Attentive university student doing a chemical experiment in laboratory — Stock Photo
    Attentive university student doing a chemical experiment in laboratory
    Scientist pouring chemical solution on test tube from bottle in lab — Stock Photo
    Scientist pouring chemical solution on test tube from bottle in lab
    Male student showing clipboard to classmate while practicing chemistry experiment in lab — Stock Photo
    Male student showing clipboard to classmate while practicing chemistry experiment in lab
    Glass vial with vaccine from COVID 19 placed on table on blue background — Stock Photo
    Glass vial with vaccine from COVID 19 placed on table on blue background
    Scientist taking test tube from freezer in laboratory — Stock Photo
    Scientist taking test tube from freezer in laboratory
    Close up of chemicals in beaker on table — Stock Photo
    Close up of chemicals in beaker on table
    Medical researcher examining a new medicine. science student dressed in white lab coat looking through a microscope. — Stock Photo
    Medical researcher examining a new medicine. science student dressed in white lab coat looking through a microscope.
    Attentive male worker working in glass factory — Stock Photo
    Attentive male worker working in glass factory
    Male and female student standing in lab — Stock Photo
    Male and female student standing in lab
    Conical flask glassware with solution on table in science laboratory — Stock Photo
    Conical flask glassware with solution on table in science laboratory