Image, Stock Photo School during Corona, right-hand traffic

School during Corona right-hand traffic coronavirus Corona virus pandemic corona COVID Risk of infection Healthy Contagious Protection Virus Illness guard sb./sth. Infection Quarantine Epidemic Sick Mask covid-19 prevention Health care vaccine med peril Hospital infectious Sterile Corona hygiene Fear risk of contagion Health hazard Safety Dangerous School Stairs Office Office building Hallway Staircase (Hallway) Banister right-hand traffic cordon barrier tape stair treads climb the stairs Landing climb stairs staircases Approach to the stairs rail gap keep sb./sth. apart spacers distance bid Distance rules spacer distance marking Spacing keep your distance Distance rule Tile School building school corridor Lessons