Quiet Bridge on Bund with No Traffic Days Before Covid 19 Lockdown in Shanghai, China in 2022

covid19 shanghai lockdown bund pandemic epidemic quarantine traffic corona virus cars road covid 19 china empty store wuhan coronavirus disease chinese medical personnel covid healthcare workers pandemic response isolation containment measures frontline workers public health crisis protective gear testing site health professionals virus outbreak isolation facility epidemic control health workers respiratory illness infection prevention medical emergency crisis management healthcare support patient care virus containment disease outbreak emergency response quarantine measures contagious disease virus corona outbreak health worker