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Girls having winter picnic on beach

Woman having coffee break while hiking in Iceland

Chemical flasks in laboratory.

From above of tweezers and glass flasks with plants arranged in rows on white table for biotechnological experiments

Male chemist in sterile mask and gloves looking forward against moisture analyzer and analytical balance in cannabis laboratory

Close-up of female scientist using pipette in laboratory

Schoolboy doing science experiment in school chemistry laboratory.

Scientist checking a solution in conical flask at lab

Senior couple drinking tea

Mountaineer sitting over rocks in rugged terrain

Scientist using pipette and flask while providing research in laboratory.

Mountaineer in rugged terrain.

Glass flask with colorful pills of various shapes on blue background.

Female cell biologist examining flask containing stem cells cultivated in red growth medium.

Scientist preparing chemical liquid in laboratory 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

Light microscope on laboratory bench.

Scientific or medical samples on glass table

Mountaineer standing with water bottle

Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory

Dried marijuana flower buds on table with analytical balance and moisture measuring device in lab

Anonymous female doctor with vaccine bottle and syringe

$Crop hands of anonymous doctor in latex gloves filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable male African American patient in clinic during coronavirus outbreak — Stock Photo$

Crop hands of anonymous doctor in latex gloves filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable male African American patient in clinic during coronavirus outbreak

Fluid pouring into laboratory glassware.

Test tube with blue chemical fluid placed in cold water in glass jar in modern equipped laboratory

Cropped unrecognizable doctor's hands throwing confetti on negative coronavirus blood test on pink background

Man sitting on veranda drinking a cup of tea

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

Details of machinery for packaging and manufacture of tablets and vials of tablets and pills industrially for the medical and health sector

Blurred 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

$From above crop anonymous chemist in latex gloves filling glass pipette with chemical liquid from boiling flask while conducting test in laboratory — Stock Photo$

From above crop anonymous chemist in latex gloves filling glass pipette with chemical liquid from boiling flask while conducting test in laboratory

$Female doctor in latex gloves and face shield standing with chemical liquid in glass vial preparing to vaccinate patient in clinic during coronavirus outbreak — Stock Photo$

Female doctor in latex gloves and face shield standing with chemical liquid in glass vial preparing to vaccinate patient in clinic during coronavirus outbreak

Attentive male scientist experimenting in laboratory

Close-up of scientists experimenting in laboratory

Glass flask with colorful pills of various shapes on blue background.

Scientists experimenting together in laboratory

Close-up of hand in glove using equipment in laboratory.

Blurred 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

Attentive university student doing a chemical experiment in laboratory

Female photographer using electronic device in photo studio

Hiker standing in forest drinking water, Bosnia and Herzegovina

Male worker checking quality of gin in factory

Mid-section of university student doing a chemical experiment 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

$Doctor in latex gloves and face shield filling in syringe from bottle with vaccine preparing to vaccinate unrecognizable female African American patient in clinic during coronavirus outbreak — Stock Photo$

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