Gatherer noted that while Ebola doesn't spread through the air and is not considered "super infectious", cross-border human travel can easily help it on its way. "It's one of the reasons why we get this churn of infections," he said.The risk of the Ebola virus making its way out of Africa into Europe, Asia or the Americas is extremely low, according to infectious disease specialists, partly due to the severity of the disease and its deadly nature.
Patients are at the most dangerous when Ebola haemorrhagic fever is in its terminal stages, inducing both internal and external bleeding, and profuse vomiting and diarrhoea - all of which contain high concentrations of infectious virus.