The Straits Times
S pore takes Swiss cheese approach to contact tracing
Each layer may have holes but with multiple layers, the holes do not align, says expert
Associate Professor Vernon Lee said MOH is still working to make its systems faster and more efficient.
https://str.sg/Jyrk
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SINGAPORE - Singapore s approach to contact tracing can be likened to a block of Swiss cheese. Each method may have its shortcomings, but put together, they make up a solid whole. Every layer has holes in it, explained Associate Professor Vernon Lee, who heads the Ministry of Health s (MOH s) contact tracing centre. But because we have multiple layers, the holes do not align with one another.
For example, tools such as TraceTogether provide an immediate first indication of a Covid-19 case s close contacts, and are complemented by highly-detailed molecular tests that determine the degree of similarity between cases, but typically take a longer time to process.