New travel and immigration measures in place to prevent Ebola cases from spreading to Canada  CTV NewsCanada clamping down on travel, immigration from central Africa amid Ebola outbreak  CBCOttawa to halt processing immigration documents for three African countries over Ebola concerns  The Globe and MailTravellers coming from Ebola-affected regions will have to isolate for 21 days  CityNews MontrealAs Ebola spreads, Canada to require 21-day isolation for those from region  Global News