Coronavirus Can Stay In Air For 30 Minutes

Los Alamos covid -19 study is worth a read:
Excerpt:
. How contiguous the 2019-nCoV is in other
countries remains to be seen. If the value of R0 is as high in other countries, our results suggest
that active and strong population-wide social distancing efforts, such as closing down
transportation system, schools, discouraging travel, etc., might be needed to reduce the overall
contacts to contain the spread of the virus.

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