Health
COVID-19 contact tracing ineffective without timely testing and isolation, study says – News-Medical.Net
A new study by Canada-based researchers has showed that contact tracing is not effective if testing and isolation are delayed.

Contact tracing has played a pivotal role in efforts to stem the coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Countries that have executed this method well have seen fewer cases and have successfully flattened the curve during successive waves of new cases.
A new study by Canada-based researchers – at Simon Fraser University and the University of British Columbia – showed that contact tracing is not effective if testing and isolation…
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