To be very serious again, this report shows all the medical and also the social complications that can occur.
The decision to keep all passengers on board is a desperate attempt to keep the virus out. But if the virus is so aggressive it is very likely that soon most of the 3500 souls on board will test positive.

https://www.nytimes.com/2020/02/12/...module=Top%20Stories&pgtype=Homepage

more detailed here:

https://www.nytimes.com/2020/02/11/...p;module=RelatedLinks&pgtype=Article

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