Recorte de científicos sosteniendo un vial y mostrando los pulgares hacia arriba mientras realizan investigación médica en un laboratorio - Foto e imagen de stock

Covid, scientists and vaccine vial while a group medical practitioners, chemists and researchers stand together from below. Innovation cure, treatment and medicine for virus and clinical trial.

Cropped shot of a scientist holding a vial while conducting medical research in a laboratory

Close up. scientist reading the inscription on the tube with the test. photo with a copy-space.

Young doctor or scientist in uniform wearing a face mask showing up coronavirus vaccine, nurse man holding bottle COVID-19 vaccination at laboratory, Healthcare And Medical concept

Close up. tube with a test for coronavirus in the hands of a medic. photo with a copy-space.

Covid, scientists and vaccine vial while a group medical practitioners, chemists and researchers stand together from below. Innovation cure, treatment and medicine for virus and clinical trial.

This vaccine will change the world. a doctor preparing a dose of the covid vaccination for a patient

Closeup shot of an unrecognisable scientist holding a blood filled test tube labelled with a positive Covid-19 test result.

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I will have to test these again. Closeup shot of an unrecognisable scientist working with samples in a lab

This is not simple, it takes skill. an unrecognizable male scientist working in a lab

Hands, mockup and smallpox vaccine in a hospital with a doctor holding a bottle of treatment or cure. Healthcare, medical and research with a medicine professional working in a laboratory.

This is all you know. Closeup shot of a bottle of covid 19 vaccine being held towards the screen by an unrecognizable male doctor