sentences:  As fully isolated rooms were limited, existing HIV patients had to be moved elsewhere within the centre while patients with skin conditions had to be discharged to make way to quarantine suspected SARS patient.As the outbreak wore on, TTSH took over as the main hospital to quarantine and treat SARS patients on 22 March 2003.On 13 August 2003, an existing TTSH block adjacent to the CDC was renovated to be used as containment wards and served as CDC 2.