Vista recortada del científico añadiendo gotas de sangre en la placa de Petri - Metraje y vídeo de stock

Cropped view of scientist holding ampoules with vaccine

A doctor is doing a blood sample test for coronavirus 2019-nCoV. Concept - a new dangerous virus from China

Cropped view of scientist adding coronavirus blood sample on petri dish

Extreme close-up of nurse hands filling flask with blood from syringe and closing sample. Unrecognizable doctor or lab assistant in uniform and gloves working in laboratory on Covid-19 pandemic

Cropped view of scientist collecting red vaccine in syringe

Cropped view of scientist holding ampoules with vaccine

Cropped view of scientist adding coronavirus blood sample on petri dish

Cropped view of scientist collecting red vaccine in syringe

Cropped view of scientist taking blue vaccine in syringe

Cropped view of scientist showing glass with blood drop and thumb up

Partial view of scientist adding blood drops to coronavirus vaccine