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Coronavirus can spread 1 to 3 days before symptoms appear: study

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The study, which underscored the importance of social distancing to fight the coronavirus outbreak, looked at 243 cases of Covid-19, the illness caused by the coronavirus, reported in Singapore between Jan 23 and March 16.

[BENGALURU] People infected with the novel coronavirus can transmit the infection one-to-three days before symptoms start to appear, according to a study published by the US Centers for Disease Control and Prevention (CDC).

The study, which underscored the importance of social distancing...

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