Officials urged the public to frequently wash their hands, opt for verbal salutations in place of hugs and handshakes and try to maintain a distance of 6 feet from strangers.
Reports of China's infection rate seem to be slowing down, but might be due to drastic lifestyle changes, like.....avoiding public interaction, unheard-of sterile hygiene, lock-down of certain areas, and voluntary or mandated hibernation, thermal body temperature checkpoints before entering buildings and nearly empty trains. Food market shoppers are reportedly told to stand one meter away from other customers (like you mentioned).
These are extreme measures.
This street in Shanghai is usually a traffic jam....