Usa Singapore Georgia city Singapore city Atlanta, Georgia Coronavirus Covid-19 Health United States Usa Singapore Georgia city Singapore city Atlanta, Georgia

COVID-19 can spread 1 to 3 days before symptoms appear, US study on Singapore cases shows

ATLANTA, Georgia: 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 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 Mar 16.

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