travelling by train in pandemic of Covid-19, woman with face mask, using tablet with free wifi connection in commuter train, prevention measures in public transport for stop infection by virus
Delta variant of Covid-19 virus infections and spreads faster
Virus Infection
No face shot of a worker in protective coverall cleaning the handrails with disinfectant as preventive measure to stop spreading COVID-19 infection
Delta variant of Covid 19 virus infections and spreads faster vaccination