Biotechnologists in protective suits inspect a test tube with the first analysis of a biological weapon or vaccine against coronavirus or
development of biological weapon in medical laboratory, male scientist in protective gown is viewing bacteria and virus by microscope
Chemical and biological laboratory for the invention of biological weapons
Chemical and biological laboratory for the invention of biological weapons
A group of scientists of speleologists takes an analysis and trial of stones found in underground caves, which may pose a threat to humanity.
scientific laboratory of development of bacteriological and biological weapon, technician is dressed protective gown
Biologists in protective costumes explore the underground cave.
Biologists take a sample of water that cracks down from the cracks in the rocks in the underground caves.
Researcher or scientist in protective clothing looking at blood test tube. Green screen background for keying.
Protection from coronovirus concept. Portrait of serious man wearing protective suit and mask to avoid infection. Green screen chromakey background for keying.
Scientist working hard to find treatment for coronovirus. Researcher in respiratory mask holding test tube with blue liquid. Isolated on green background for keying.
Chemical and biological laboratory for the invention of biological weapons
