Hong Kong is nearing the peak of its influenza season, the Centre for Health Protection has said, urging residents to wear masks in crowded places and get flu and Covid booster shots. The head of the centre’s Communicable Disease Branch, Chuang Shuk-kwan, said influenza indicators, including occupancy rates at public hospitals, had crossed the baseline activity threshold. Chuang said the flu season would mainly be driven by Influenza A(H3) viruses. She said infections detected both in humans and in sewage were on the rise, though the number of severe or fatal cases remained stable. Regarding C…