If Bill Gates wants to do some real good he would put the money up that it would take to duplicate and send to Africa multiple CDC/Emory University isolation wards, with all of the necessary personnel.
Last week Bill Gates gave the largest gift he has given to fight ebola.
http://www.businessinsider.com/bill-gates-donates-50-million-to-the-ebola-outbreak-2014-9
It’s about $15k/SF to build an ebola center.
I don’t think expeditionary 2”x4” structures and Visquene sheeting is going to solve the problem.