Professor Dato' Dr. Adeeba Kamarulzaman, Professor of Medicine and Infectious Diseases at the Faculty of Medicine, University of Malaya and WHO Science Council member said that with the implementation of virtual COVID-19 Assessment Centres (CACs) in Greater Klang Valley, patients who are asymptomatic or mildly symptomatic, as well as those who need to remove their pink wristbands no longer need to walk into CACs.