How Singapore developed a test for Covid-19 antibodies that linked three infection clusters

Professor Wang Linfa of Duke-NUS School of Medicine decided not to work on a test for the virus. Many were doing that. Instead, he decided to develop a test for antibodies. ST PHOTO: KEVIN LIM
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SINGAPORE - Nothing is as important as speed and accuracy when it comes to testing for Covid-19.

It was a test developed locally that helped Singapore trace the source of infection of two Covid-19 clusters here - to one where infection was known to have been transmitted by visitors from Wuhan.

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