China reported another rise in new coronavirus cases on Tuesday as infections from abroad outnumbered cases of local transmission for a fourth consecutive day, prompting some parts of the country to tighten monitoring of foreign travellers.
Mainland China had 21 new confirmed cases on Monday, the National Health Commission said, up from 16 a day earlier.
Of the new cases, 20 involved infected travellers from abroad.In contrast, mainland China only had one case of locally transmitted infection on Monday, in Wuhan, capital of central Hubei province where the flu-like disease appeared in humans late last year.