Petaling District Health Officer Dr S. Rama Krishna told the press on Monday that about 509 people in the PJ Old Town area have been screened for Covid-19. However, the officer said it will take some time before the results are available.br br Meanwhile, Chief of Defence Force Gen Tan Sri Affendi Buang said since most of the residents in the area are locals, they have been adhering to the enhanced movement control order (MCO).