Another press release from Hong Kong's Centre for Health Protection :
" Three patients (aged 44 to 59) in a male long-stay ward have presented with respiratory symptoms since March 2. Appropriate viral tests have been arranged for the patients and the test results of two patients were positive for Influenza B. The patients concerned have been transferred to Tuen Mun Hospital for treatment under isolation and are in a stable condition.
Admission to the ward has been suspended and restricted visiting has been imposed. Infection control measures have already been stepped up according to established guidelines. All other patients in the ward concerned are under close surveillance."