Investigation of three clusters of COVID-19 in Singapore: implications for surveillance and response measures.

ABSTRACT:

Background

Three clusters of coronavirus disease 2019 (COVID-19) linked to a tour group from China, a company conference, and a church were identified in Singapore in February, 2020.

Methods

We gathered epidemiological and clinical data from individuals with confirmed COVID-19, via interviews and inpatient medical records, and we did field investigations to assess interactions and possible modes of transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Open source reports were obtained for overseas cases. We reported the median (IQR) incubation period of SARS-CoV-2.

Findings

As of Feb 15, 2020, 36 cases of COVID-19 were linked epidemiologically to the first three clusters of circumscribed local transmission in Singapore. 425 close contacts were

SUBMITTER: Pung R 

PROVIDER: S-EPMC7269710 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature