The only way to stop the virus spreading is to:
1. Find a effective vaccine.
2. Completely shut down the world.
Here is a interesting analysis which makes the case you can't stop the spread without locking everybody down forever... and that is impossible.
https://www.pnas.org/content/117/30/17513
Of course this study was conducted by a radical right leaning bunch of red necks called PNAS
1. Find a effective vaccine.
2. Completely shut down the world.
Consequently, even if all symptomatic cases are isolated, a vast outbreak may nonetheless unfold.
https://www.pnas.org/content/117/30/17513
Of course this study was conducted by a radical right leaning bunch of red necks called PNAS
Edited by Mary E. Power, University of California, Berkeley, CA, and approved June 23, 2020 (received for review April 30, 2020)

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