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COVID-19 patients not infectious after 11 days: Singapore study

Positive test "does not equate to infectiousness or viable virus," a joint research paper by Singapore's National Centre for Infectious Diseases and the Academy of Medicine, Singapore said.

The virus "could not be isolated or cultured after day 11

The latest findings may have implications on the country's patient discharge policy.

The discharge criteria are currently based on negative test results rather than infectiousness.

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