Dr. Kent Brantly is still alive. Patrick Sawyer collapsed at the Lagos airport after debarking a flight that also stopped in Togo.
http://www.usatoday.com/story/news/nation/2014/07/28/ebola-potential-to-spread/13267909/
Yet while Ebola is a fearsome disease, the virus “would not pose a major public health risk” in the USA, Osterholm says.
http://en.wikipedia.org/wiki/2014_West_Africa_Ebola_outbreak
Scroll for infection numbers. Note the inflection point in late April/early May. That’s roughly when rainy season begins there. Also known as mosquito season...