“Together with the 27 cases of ST283 infection announced on September 13, this cluster involves a cumulative total of 40 patients residing in 18 districts throughout [Hong Kong],” it said.

Chen's case drew attention because of her mild role in the 2019 movement, which was the biggest challenge to the Hong Kong government since the former British colony returned to Chinese rule in 1997.

Hong Kong’s top court has overturned the convictions of three former organizers of an annual vigil in remembrance of the 1989 ...