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  • Report 12 - The global impact of COVID-19 and strategies for mitigation and suppression
    https://www.preventionweb.net/go/71077

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Report 12 - The global impact of COVID-19 and strategies for mitigation and suppression

Source(s):  Imperial College London

The world faces a severe and acute public health emergency due to the ongoing COVID-19 global pandemic. How individual countries respond in the coming weeks will be critical in influencing the trajectory of national epidemics. Here it is combined data on age-specific contact patterns and COVID-19 severity to project the health impact of the pandemic in 202 countries. The study compares predicted mortality impacts in the absence of interventions or spontaneous social distancing with what might be achieved with policies aimed at mitigating or suppressing transmission. The estimates of mortality and healthcare demand are based on data from China and high-income countries; differences in underlying health conditions and healthcare system capacity will likely result in different patterns in low income settings.

The paper estimates that in the absence of interventions, COVID-19 would have resulted in 7.0 billion infections and 40 million deaths globally this year. Mitigation strategies focussing on shielding the elderly (60% reduction in social contacts) and slowing but not interrupting transmission (40% reduction in social contacts for wider population) could reduce this burden by half, saving 20 million lives, but the study's prediction that even in this scenario, health systems in all countries will be quickly overwhelmed. This effect is likely to be most severe in lower income settings where capacity is lowest: the mitigated scenarios lead to peak demand for critical care beds in a typical low-income setting outstripping supply by a factor of 25, in contrast to a typical high-income setting where this factor is 7. As a result, there's an anticipation that the true burden in low income settings pursuing mitigation strategies could be substantially higher than reflected in these estimates.



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  • Report 12 - The global impact of COVID-19 and strategies for mitigation and suppression
  • Publication date 2020
  • Author(s) Walker, Patrick GT; Whittaker, Charles; Watson, Oliver et al.
  • Number of pages 19 p.

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