Quartz, a web news outlet of the Atlantic Media Company, published the following two reports that go into greater depth than most about the death of Patrick Sawyer in Lagos, Nigeria, and how he may have vomited and had diarrhea on at least one of his flights. Here:
This is a topic addressed on this blog back in early April.
Serious prevention would mean barring non-essential passenger air travel from outbreak cities until the outbreaks are over.
The only in-and-out air travel to outbreak cities should be technology, supplies, and highly trained disease control personnel.