Hong Kong authorities have created a Covid-19 test booking platform online for travellers bound for mainland China to ease overcrowding at the Shenzhen border, but have done little so far to plug a loophole that allows those being turned away after testing positive to simply return home without any immediate restrictions on their movements or follow-up isolation orders.

Going to Shenzhen from Hong Kong? Book your PCR tests online comes via ChinaTechNews.com.