A spokesman for the Food and Health Bureau said the free testing programmes have had a positive response from the community.
“Having considered the ongoing epidemic situation in Hong Kong, we considered it necessary to expand and extend the relevant testing arrangements,” he said.
Those who had already been tested previously can get tested again.
People who want to take advantage of the free tests should make online bookings.
If they show up unannounced to community testing centres, they would have to pay the normal fee of HK$240.
Construction workers must present their registration cards issued by the Construction Industry Council, while security guards must show their permits.