Four imported cases of COVID-19 recorded on January 7

The new cases brought the national tally to 1,509, including 693 locally-transmitted cases.

The number of recovered patients reached 1,353, while fatalities remain at 35.

Among patients under treatment, 14 have tested negative for SARS-CoV-2 once, six twice and seven thrice.

A total of 19,392 people who had close contact with COVID-19 patients or arrived from pandemic-affected regions are staying in quarantine nationwide.