WHO says major outbreak in West 'unlikely' The WHO says a major outbreak of Ebola in the US and elsewhere in the West is unlikely, given the strong health systems. WHO Director of strategy, Christopher Dye however said the introduction of Ebola into the US or other countries in Western Europe is a matter for serious concern". US President Barack Obama also said the risk of Americans getting the virus was "extremely low", although he ordered a "much more aggressive response". The US is investigating how a nurse who got infected while treating a victim in Texas was allowed to travel on a plane. Officials are trying to trace the 132 people who flew with Amber Vinson. EU health ministers are meeting in Brussels to discuss the crisis, while US federal health officials appear before a congressional committee on Thursday to answer questions about their handling of the crisis. BBC