Close-up of red and white tape barrier on crime scene. No entry warning sign outdoors. Place surrounded with prohibition tape during Covid-19 viral pandemic lockdown.
Team of scientists in coverall researching virus mutations working in danger zone in chemistry laboratory. Group of doctors examining vaccine evolution using high tech for diagnosis against covid19
danger zone in old hospital of coronavirus, person is covering railing on stair by sanitizer, pandemic of covid-19, prevention of respiratory infection
Scientist team in protective suit preparing tools for analysing virus development in danger zone of laboratory. Team of scientists analysing vaccine evolution using high tech for researching treatment
Diverse scientists in protective suits and masks with geiger counter measuring radiation level in danger zone, analyzing biohazard pollution and contamination using digital tablet.
Close up of female ecology specialist in glasses and respiratory mask outdoors in toxic and danger zone probing water on pollution and poisons looking at test tube
A scientist puts on a helmet of a special suit to work in a danger zone with radiation. A shaved man looks into the camera standing in a huge quarry
Asian female researcher in protective suit checking pollution level in danger zone, taking off goggles and looking at data on tablet pc, analyzing contamination and aftermath for nature.
Work in a gas mask. Clip. Working moment in the danger zone in a special suit
Work in a gas mask. Clip. Working moment in the danger zone in a special suit
Man in fire suit in field. Clip. Firefighter puts up sign about danger zone in infection meta. Place of infection after disaster with
