Serious laboratory assistant carefully examines test tubes with assays
An experienced laboratory assistant carefully examines a test tube with blood
Researcher in a protective suit is looking for a vaccine or treatment for the coronavirus by pipetting the drug into a test tube
A male Professor examines a test tube with a blue solution with a virus Covid
A male Professor examines a test tube with a yellow solution with a virus Covid
Scientist researcher in a protective suit mixes drugs in a test tube. Search for a vaccine and treatment for coronavirus
Laboratory research. A scientist in a protective suit mixes reagents by pouring reagents from a test tube into a test tube. Search for a vaccine and treatment for coronavirus infection
Biotechnologists in protective suits inspect a test tube with the first analysis of a biological weapon or vaccine against coronavirus or
Research and search coronavirus vaccine. A scientist in a protective suit works in a laboratory, pipetting a vaccine into a test tube.
Scientist in a protective suit and mask researching coronavirus, inventing a vaccine and medicine. Researcher mixes reagents in a test tube