Medical dropper bottle with orange liquid. Close up of chemical liquid injection from glass bottle. Chemical reagent in drop counter. Laboratory research process
Worker in a protective gown arranges and collects glass brown bottles with liquid after conveyor on factory
Close up in the laboratory a man in a glass respirator screen holds a glass tube with a yellow liquid against the virus and looks at it
Female doctor in protective gloves, mask, glasses and disposable hat turning glass bottle and examining liquid in it while working on coronavirus vaccine development in hospital
No people closeup of glass test tubes with unrecognizable blue and yellow liquid on work desk of scientist in laboratory
Automated pharmaceutical manufacturing line, bottles filled with liquid