Annex a Open Clusters
Annex A Open Clusters Epidemiological investigations and contact tracing have uncovered links between cases. i. 8 of the confirmed cases (Cases 61822, 62684, 62691, 62824, 62877, 62906, 62938 and 62939) are linked to the Case 61822 cluster, with the most recent cases (Case 62938 and 62939) linked to the cluster on 7 May. Case 61822 is a 23 year-old male India national who works as a lashing specialist at Pasir Panjang Terminal. He was confirmed to have COVID-19 infection on 10 April. Cases 62684, 62691 and 62824 work at Pasir Panjang Terminal, and Cases 62877,62906, 62938 and 62939 are household contacts of Case 62824. ii. 40 of the confirmed cases (Cases 62541, 62557, 62561, 62567, 62568, 62573, 62574, 62582, 62599, 62615, 62635, 62643, 62648, 62680, 62687, 62697, 62713, 62714, 62715, 62717, 62721, 62722, 62723, 62724, 62731, 62732, 62754, 62781, 62784, 62786, 62787, 62790, 62791, 62794, 62795, 62801, 62803, 63807, 62808 and 62816) are linked to the Case 62541 cluster, with the most recent cases (Cases 62801, 62803, 63807, 62808 and 62816) linked to the cluster on 3 May. Case 62541 is a 46 year-old female Philippines national who is a nurse at Tan Tock Seng Hospital, and was deployed at Ward 9D, a general ward. She was confirmed to have COVID-19 infection on 27 April. All other cases were detected from TTSH’s testing operations of staff, patients and visitors who had been to the hospital from 18 April to 28 April. iii. 11 of the confirmed cases (Cases 62517, 62571, 62572, 62576, 62583, 62594, 62595 62597, 62757, 62779 and 62780) are linked to the Case 62517 cluster, with the most recent cases (Cases 62779 and 62780) linked to the cluster on 2 May.
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