People wait outside a Covid testing centre in Hong Kong on Sunday as a spike in Covid-19 cases brings in tighter restrictions and forces a planned travel bubble between Hong Kong and Singapore to be scrapped a day before its launch on Saturday. (AFP photo)

Hong Kong will give a one-time HK$5,000 (about 20,000 baht) to anyone in the city who tests positive for Covid-19 to encourage people to take tests for the virus, Health Secretary Sophia Chan said.