Mass testing of staff serving at the Ideal Convention Centre (IDCC) vaccination centre (PPV) in Shah Alam found 204 of them positive for Covid-19.<br /><br />Minister in charge of vaccination Khairy Jamaluddin said he had ordered the mass testing after two volunteers at IDCC contracted the virus.<br /><br />Khairy added that it was difficult to ascertain whether infections occurred at IDCC.