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diff --git a/covid19-links.md b/covid19-links.md index 843b4c5..eb351ad 100644 --- a/covid19-links.md +++ b/covid19-links.md @@ -47,6 +47,14 @@ of the effects of the 1918 flu pandemic; key message: closing early is important. +* [A paper on the origin and continuing evolution of + SARS-CoV-2](https://academic.oup.com/nsr/advance-article/doi/10.1093/nsr/nwaa036/5775463) + published on 2020-03-03 in the National Science Review, discussing + the coexistence of two types of strains, which they call ‘L’ (more + virulent) and ‘S’ (less virulent), the ‘L’ being more prevalent but + the ‘S’ becoming seemingly progressively more frequent because human + actions put more pressure against the more virulent strains. + * [Report on monitoring of persons exposed to patients with Covid-19](https://www.cdc.gov/mmwr/volumes/69/wr/mm6909e1.htm) published 2020-03-03 in CDC's Morbidity and Mortality Weekly Report: |