from MOH report 24 June 2021:
Case 64413 is a 35 year-old male Singaporean who works as a porter at Changi General Hospital. He is asymptomatic, and was detected when he was tested for COVID-19 on 22 June as part of Rostered Routine Testing (RRT). His test result came positive for COVID-19 infection on 23 June. His earlier tests from RRT – the last being on 8 June – were all negative for COVID-19 infection. He has tested preliminarily positive for the Delta variant, and is pending further confirmatory tests. His serology test result is negative for the N antigen, which suggests the presence of early infection. Case 64413 received his first dose of COVID-19 vaccine on 14 January, and his second dose on 4 February.
Case 64413 is a 35 year-old male Singaporean who works as a porter at Changi General Hospital. He is asymptomatic, and was detected when he was tested for COVID-19 on 22 June as part of Rostered Routine Testing (RRT). His test result came positive for COVID-19 infection on 23 June. His earlier tests from RRT – the last being on 8 June – were all negative for COVID-19 infection. He has tested preliminarily positive for the Delta variant, and is pending further confirmatory tests. His serology test result is negative for the N antigen, which suggests the presence of early infection. Case 64413 received his first dose of COVID-19 vaccine on 14 January, and his second dose on 4 February.