Covid-19 Biohazard warning poster. Danger and biohazard caution signs. Coronavirus outbreak. Stay away from the danger zone. No entry. Disease prevention, control and management. Safety sign. Shutterstock .eps vector - Covid-19 Biohazard warning poster. Danger and biohazard caution signs. Coronavirus outbreak. Stay away from the danger zone. No entry. Disease prevention, control and management. Safety sign. - ID: 1645856803