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Macro shot of a spa oil test by taking in a dropper - spa session, almond oil, pipette, oil dropping drop by drop

Male scientist looking at and examining a vaccine vial - Coronavirus pandemic

Bubbles rising up in beer served in transparent glass - a popular beverage

A scientist in a laboratory with a dispenser in his hands doing an analysis

Health worker's hand with a test tube and researching medicine for the treatment

Closeup shot of a medicine being dissolved in a glass of water