Hong Kong expats are up in arms about quarantine. Singapore stands to gain
https://edition.cnn.com/2021/09/22/business/hong-kong-singapore-business-covid-intl-hnk/index.html
Judging from obesity rate and medical care level in Hong Kong, the city should loosen regulations about Covid-19. And vaccination rate in the city is chasing US's rate by 2 points.
At least, travel restrictions from or to Hong Kong International Airport should be cleared.
