Links, Tweets, etc only thread for CV-19 (1 Viewer)

kat5s

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Since our COVID-19 Outbreak thread moves so quickly, informative article links, tweets, etc. that might be useful quickly get buried. Attempting to start a thread that only includes links, tweets, etc and no commentary on this thread, but either to bring links on this thread to our main COVID-19 Outbreak for discussion or post links on both threads. Starting with link from STAT that includes interactive charting data...




 
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kat5s

kat5s

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9) And to be clear, R0 is the R reproductive number at time 0 before countermeasures. So this is not the R(effective) at current time under mitigation like distancing and testing+tracing+quarantine.
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A conservative assessment applied to the COVID-19 estimated R0 of 2.4 (7) might posit 50% mask usage and a 50% mask efficacy level, reducing R0 to 1.35, an order of magnitude impact rendering spread comparable to the reproduction number of seasonal influenza. To put this in perspective, 100 cases at the start of a month becomes 31,280 cases by the month’s end (R0 = 2.4) vs. only 584 cases (R0 = 1.35). Such a slowdown in case-load protects healthcare capacity and renders a local epidemic amenable to contact tracing interventions that can eliminate the spread entirely.

A full range of efficacy e and adherence pm is shown with the resulting R0 in Figure 1, illustrating regimes in which growth is halted entirely (R0 < 1) as well as pessimistic regimes (e.g. due to poor implementation or population compliance) that nonetheless result in a beneficial effect in suppressing the exponential growth of the pandemic.

1586968755690.png
 

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