PRO/AH/EDR> COVID-19 update (368): testing, countries, WHO, global

COVID-19 — United Kingdom
Background
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WHO has called for increased testing in response to the COVID-19 pandemic, but countries have taken different approaches and the effectiveness of alternative strategies is unknown. We aimed to investigate the potential impact of different testing and isolation strategies on transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
Methods
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We developed a mathematical model of SARS-CoV-2 transmission based on infectiousness and PCR test