Vrouwelijke arts met chirurgisch gezichtsmasker en gezichtsscherm met injectiespuit met naald en COVID-19 Coronavirus vaccintube met kopieerruimte. Gezondheidszorg en geneeskunde - Stockfoto’s en -afbeeldingen

Scientist mix chemicals with The shake machine Before the experiment.Mixture laced with samples into test tubes,Thailand scientist working in the lab

Coronavirus pandemic. Professional female scientist in protective eyeglasses researching tube with reagents in laboratory. Concepts of medicine and virus protection.

A medical or scientific researcher or doctor looking at a test tube of liquid green solution in a laboratory.

Chemist mixed up chemicals to find antiretroviral drugs at lab, developers of potential medicines and vaccines against COVID-19

Cropped photo of a young Caucasian male scientist analyzing a biological substance in his hand

Scientist with equipment holding tools during scientific experiment science concept

Close-up of Asian male scientist in uniform holding laboratory flask with red chemical solution. Chemistry, Biological, Toxicology, concept

Asian male doctor holding blood Coronavirus - Covid 19 - sample test for positive values. Wearing a protective mask. Corona Virus - 2019-NCOV - Pandemic Respiratory disease.

Professional doctor showing a surgical face mask to camera for protection against coronavirus COVID-19 outbreak. Young man giving protective medical face mask with copy space.

Hands of a lab technician with blood test sample tubes in a row for laboratory blood analysis.

Hands of a lab technician with blood test sample tubes in a row for laboratory blood analysis.

Close up of male Asian doctor holding a vaccine injection needle ready for vaccination. Young lab technician scientist at work

Blood test sample tubes in a rack for laboratory blood analysis. Science and Medical concept.

Male doctor hands holding blood Coronavirus or Covid 19 sample test for positive values. Corona Virus - 2019-NCOV Pandemic Respiratory disease.