BEIJING — Here are the latest developments on the novel coronavirus disease (COVID-19) in China:

— Chinese health authority said on April 28 that it received reports of six new confirmed COVID-19 cases on the mainland on April 27, of which three were imported.

The other three new cases were domestically transmitted in Heilongjiang province, the National Health Commission said in a daily report.

No deaths were reported on April 27 on the mainland.

— Xiaotangshan Hospital, which was previously used to quarantine SARS patients in Beijing, cleared all COVID-19 cases on April 28 and is scheduled to cease operation on April 29.

— Shanghai reported two imported COVID-19 cases and zero increase in locally transmitted COVID-19 case on April 27, the municipal health commission said on April 28.

— All major enterprises have resumed work and production in the pilot free trade zone in Central China's Hubei province, local authorities said on April 28.

— Hubei has lowered the pricing caps for nucleic acid testing services, considering the expanding production capacity has helped lower the costs for the virus testing.