Lessons learned from three Singapore COVID-19 clusters
A study published in the journal The Lancet in March 2020 reports on three clusters of COVID-19 that happened in Singapore in February 2020. The first was because of a tour group, the second a company conference, and the third a church gathering.
The story
The researchers looked at the happenings in and around COVID-19 positive women. They took an epidemiological and clinical profile of each of them, using inpatient records, interviews, and field studies. The aim was to mirror the way the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spreads and how people interact. The scientists also used overseas open-source data for overseas cases.
It was on the last day of the year 2019 that a group of people with viral pneumonia was diagnosed in Wuhan, China. The illness was later termed coronavirus disease 2019 or COVID-19. Later on, cases multiplied in Wuhan, suggesting that community spread had occurred. The outcome was a lockdown of Wuhan and then of other cities in the province.
By January 30, 2020, the World Health Organization (WHO) had declared it a public health emergency of international concern. Over the next month, the spread included almost 100,000 cases and nearly 3,400 deaths.
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