Source: https://www.bbc.co.uk/news/health-51048366China has done something unprecedented anywhere in the world - effectively putting entire cities into quarantine.
The central province of Hubei, which includes Wuhan, is in lockdown with around 60 million people affected.
Beijing has banned group dining for events such as birthdays and weddings while cities such as Hangzhou and Nanchang are limiting how many family members can leave home each day.
Hubei province has even switched off lifts in high-rise buildings to discourage residents from going outside
Yes, many travellers infected with coronavirus might have been missed by airport thermal scanners, esp., in early days of coronavirus epidemic.