Annex a Open Clusters
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Annex A Open Clusters Epidemiological investigations and contact tracing have uncovered links between cases. i. 6 of the confirmed cases (Cases 63131, 63184, 63185, 63186, 63187 and 63188) are linked to the Case 63131 cluster, with the most recent cases (Cases 63184, 63185, 63186, 63187 and 63188) linked to the cluster on 13 May. Case 63131 is a 50 year-old female Singaporean who works as a tutor at Learning Point. She was confirmed to have COVID-19 infection on 12 May. Cases 63184, 63185, 63186, 63187 and 63188 are students at Learning Point. ii. 3 of the confirmed cases (Cases 63096, 63122 and 63221) are linked to the Case 63096 cluster, with the most recent case (Case 63221) linked to the cluster on 14 May. Case 63096 is a 33 year-old male Philippines national who works as an operating theatre nurse at Sengkang General Hospital. He was confirmed to have COVID-19 infection on 11 May. Cases 63122 and 63221 are household contacts of Case 63096. iii. 59 of the confirmed cases (Cases 62873, 62940, 62941, 62942, 62945, 62971, 62972, 63005, 63015, 63026, 63047, 63055, 63059, 63060, 63061, 63070, 63071, 63072, 63074, 63084, 63091, 63094, 63095, 63097, 63098, 63100, 63109, 63115, 63117, 63118, 63119, 63125, 63126, 63128, 63129, 63132, 63135, 63136, 63138, 63139, 63140, 63141, 63146, 63148, 63149, 63150, 63165, 63167, 63169, 63177, 63178, 63179, 63180, 63181, 63191, 63192, 63194, 63195 and 63219) are linked to the Case 62873 cluster, with the most recent cases (Case 63177) linked to the cluster on 12 May, Cases 63165, 63167, 63169, 63178, 63179, 63180, 63181, 63191, 63194 and 63195 linked to the cluster on 13 May, and Cases 63192 and 63219 linked to the cluster on 14 May. Case 62873 is an 88 year-old male Singaporean who is employed by Ramky Cleantech Services Pte Ltd as a cleaner deployed at Changi Airport Terminal 3. He was confirmed to have COVID-19 infection on 5 May. All the cases work at or, had been to Changi Airport Terminal 1 or Terminal 3, or are household or workplace contacts of earlier cases. iv. 45 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, 62816, 63007, 63008, 63009, 63104 and 63168) are linked to the Case 62541 cluster, with the most recent case (Case 63168) linked to the cluster on 13 May. Case 62541 is a 46 year-old female 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. v. 3 of the confirmed cases (Cases 62939, 63083 and 63092) are linked to the Case 62969 cluster, with the most recent case (Case 63092) linked to the cluster on 11 May. Case 62969 is a 38 year-old male Singaporean who works as a private hire car driver with Grab. He was confirmed to have COVID-19 infection on 8 May. Cases 63083 and 63092 are his household members. vi. 7 of the confirmed cases (Cases 62113, 62348, 62349, 62350, 62365, 62485 and 63078) are linked to the Case 62113 cluster, with the most recent case (Case 63078) linked to the cluster on 10 May. Case 62113 is a 39 year-old Indonesian national who is a sea crew on board bunker tanker MT ALLI, and was confirmed to have COVID-19 infection 1 on 16 April. Cases 62348, 62349, 62350, 62365, 62485 and 63078 were his contacts onboard the vessel. vii. 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. viii. 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. Case 62517 is a 38 year-old male Singaporean, who works as an Immigration & Checkpoints Authority officer deployed at Changi Airport Terminal 1. He was confirmed to have COVID-19 infection on 27 April. Cases 62571, 62572, 62576, 62583, 62594, 62595, 62597, 62757, 62779 and 62780 are his family members. ix. 4 of the confirmed cases (Cases 62553, 62629, 62638 and 62760) are linked to the Case 62553 cluster, with the most recent case (Case 62760) linked to the cluster on 2 May. Case 62553 is a 39 year-old female Vietnam national who works as a cleaner deployed at a community care facility at Tuas South. She was confirmed to have COVID-19 infection on 28 April. Case 62638 was her workplace contact, and Cases 62629 and 62760 were household contacts. x. 5 of the confirmed cases (Cases 61993, 62057, 62063, 62621 and 62622) are linked to the Case 61993 cluster, with the most recent cases (Cases 62621 and 62622) linked to the cluster on 29 April. Case 61993 is a 34 year-old male Indian national who works as a senior research fellow at the National University of Singapore and was confirmed to have COVID-19 infection on 15 April. Case 62057 was his workplace close contact and Cases 62063, 62621 and 62622 were his household contacts. xi. 3 of the confirmed cases (Cases 62049, 62373 and 62524) are linked to the Case 62049 cluster, with the most recent case (Case 62524) linked to the cluster on 27 April. Case 62049 is a 79 year-old India national who arrived from India to visit his family member who is a Singapore Permanent Resident. He was confirmed to have COVID-19 infection on 16 April. Cases 62373 and 62524 are his family members. xii. 4 of the confirmed cases (Cases 61536, 62045, 62143 and 62234) are linked to the Case 62045 cluster, with the most recent case (Case 62234) linked to the cluster on 21 April. Case 62045 is a 41 year-old female Singapore Permanent Resident who works as an accountant at OM Universal Pte Ltd and was confirmed to have COVID-19 infection on 16 April. Cases 61536, 62143 and 62234 are her household contacts. xiii. 7 of the confirmed cases are linked to the Case 62181 cluster, of whom 5 are re- infection cases. Case 62181 is a 35 year-old Bangladesh national who resides at Westlite Woodlands Dormitory and works as a construction supervisor at Sembcorp Marine Admiralty Yard. He was confirmed to have COVID-19 infection on 19 April. The other cases are his roommates at the dormitory. 2 Annex B1 Summary of Cases in the Community Number Case Confirmation of Date date Onset (years) Age Gender Nationality Exposure Visited Places Key Symptoms after (for Swab Onset/ cases) asymptomatic Cluster Links/ * 63160 13 May 12 May 39 M China Local unlinked * 63165 13 May 11 May 25 F Malaysia Local linked Case 62873 Cluster * 63166 13 May 10 May 22 M SC Local unlinked WOK HEY White Sands * 63167 13 May 7 May 27 M SC Local linked Case 62873 Cluster # 63168 13 May Asymptomatic 88 M SC Local linked Case 62541 Cluster # 63169 13 May 10 May 39 F SC Local linked Case 62873 Cluster # 63177 12 May 13 May 60 F SC Local linked Case 62873 Cluster * 63178 13 May 10 May 57 M SC Local linked Case 62873 Cluster # 63179 13 May Asymptomatic 46 M Malaysia Local linked Case 62873 Cluster # 63180 13 May Asymptomatic 39 M Malaysia Local linked Case 62873 Cluster # 63181 13 May 12 May 91 F SC Local linked Case 62873 Cluster * 63183 13 May 10 May 70 F SC Local unlinked # 63184 13 May 11 May 9 M SC Local linked Case 63131 Cluster # 63185 13 May 29 Apr 9 F SC Local linked Case 63131 Cluster # 63186 13 May 11 May 9 M SC Local linked Case 63131 Cluster # 63187 13 May 11 May 8 M SC Local linked Case 63131 Cluster 3 Number Case Confirmation of Date date Onset (years) Age Gender Nationality Exposure Visited Places Key Symptoms after (for Swab Onset/ cases) asymptomatic Cluster Links/ # 63188 13 May 11 May 7 M SC Local linked Case 63131 Cluster * 63191 13 May 7 May 29 M Malaysia Local linked Case 62873 Cluster # 63192 13 May 12 May 53 F China Local linked Case 62873 Cluster # 63194 13 May 9 May 28 M SC Local linked Case 62873 Cluster # 63195 13 May Asymptomatic 67 M SC Local linked Case 62873 Cluster # 63219 14 May 12 May 51 M SC Local linked Case 62873 Cluster * 63220 14 May 12 May 48 M SC Local unlinked # 63221 14 May Asymptomatic 39 M Philippines Local linked Case 63096 Cluster Cases marked (#) had already been quarantined earlier. Cases marked (*) were detected as a result of our proactive screening and surveillance. 4 Annex B2 Summary of Imported Cases Number Case of Date Confirmation date Onset (years) Age Gender Nationality Travel History Exposure Links Cluster ~ 63151 13 May Asymptomatic 82 F SC India Imported ~ 63152 13 May Asymptomatic 37 F PR India Imported ~ 63153 13 May Asymptomatic 16 M PR India Imported ~ 63154 13 May Asymptomatic 58 F SC India Imported ~ 63155 13 May Asymptomatic 42 F PR India Imported ~ 63156 13 May Asymptomatic 26 M PR India Imported ~ 63157 13 May Asymptomatic 21 F PR India Imported ~ 63161 13 May Asymptomatic 56 F PR India Imported Bangladesh ~ 63162 13 May Asymptomatic 26 M Bangladesh Imported (Work Permit holder) ~ 63170 13 May Asymptomatic 47 M SC Indonesia Imported 13 May Indonesia ~ 63172 Asymptomatic