Also 3,887 new confirmed cases of novel coronavirus
infection were reported on Tuesday, it said.
Also on Tuesday, 431 patients became seriously ill, while 262 were discharged from hospital after recovery.
The commission added that 3,219 patients remained in severe condition and 23,260 people were suspected of being infected with the virus.
A total of 892 people had been discharged from hospital after recovery, it said.
Over 2.52 lakh who were in close contacts with patients had been traced with over 1.85 lakh others still under medical observation, it added.
By the end of Tuesday, 18 confirmed cases had been reported in the Hong Kong Special Administrative Region (SAR), including one death, 10 in the Macao SAR and 11 in Taiwan, it said.