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Quarantining infected people, workplace distancing and school closures are most effective in combating the spread of the new coronavirus, when implemented all at once, according to new research looking at Singapore’s response to the disease.
Researchers from the National University of Singapore saw a dramatic drop in projected cases when all three physical distancing measures were taken together.
But they warned that if a large number of people in the community had no symptoms, or if infection rates were very high, the policies had a much reduced effect.
Singapore has used a policy of testing and tracing of Covid-19 patients to limit the virus spread, without ordering a widespread lockdown of society, as many cities and countries around the world have done.
But the city state on Tuesday announced new measures to shut down bars and other entertainment venues and cancel religious services and after-school activities, a day after reporting 54 new infections, bringing the total number of cases to 509.
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