Azjatycki naukowiec pokazujący kciuk w dół i trzymający probówkę izolowaną na szaro - Materiał filmowy & wideo

Caucasian man in white protective suit, medical mask, rubber gloves on blue background holds in hands test tube with red liquid and inscription Coronovirus, then shows test tube to camera

Close of oman wear personal protective suits, goggles, mask, and gloves for making disinfection and decontamination on public place to reduce spreading of disease during crisis covid-19.

Doctor dressed in a surgical gown in a medical mask with glasses points at two tablets of red and blue. Doctor holding two pills in white medical gloves

Cheerful female doctor is wearing protective mask, cap, glasses and gown is dancing in hospital, rejoicing by new treatment from flu and coronavirus