In April, Shanghai clamped shut with a total lockdown of all residents, commerce and transportation as the city’s dynamic zero-COVID policy contended with an Omicron outbreak. As an initial schedule of four days stretched to two months, planners contended with logistics of constantly testing, feeding and resourcing the more than 26 million citizens locked inside. Guards stationed at doorways or used bikes, ropes, barriers to block entrances. Authorities in protective gear patrolled, only allowing passage of delivery men who ferried supplies and slept in tents. Slowly, cases receded.
