Singapore is ramping up Covid-19 testing and has warned it would not rule out reimposing tighter curbs as infections rise — moves some experts see as too cautious for the vaccine frontrunner that is preparing to live with the virus as an endemic disease.

Strict surveillance and quarantine have been key to its success in dealing with the pandemic, but Singapore has reported a sharp rise in cases to one-year highs this week.

Spooked by the fast pace of transmission, the government has said it would hold off on reopening measures and urged people to reduce social activities, sparking a debate among experts on if Singapore could "be bolder" given it has one of the highest vaccination rates in the world.

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