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A medical or scientific researcher or doctor looking at a test tube of liquid green solution in a laboratory.
Health care researchers working in life science laboratory.Laboratory worker carefully exploring samples to detect virus chronic pathologies.
Doctor in medical gloves and a mask holds a vaccine in his hands
Scientist looking at test tube with clear solution in pharmaceutical research laboratory.
Biochemical research scientist working with microscope for coronavirus, laboratory glassware containing chemical liquid for design or decorate science, chemistry, biology, medicine and people concept
Female doctor or Scientist holds Invented yellow vaccine against covid 19 or Coronavirus
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