Other West African governments are attempting to contain the outbreak , which has been declared a `` public health emergency of international concern '' by the World Health Organization . Australia and Canada commit to sending aid to West Africa . Zambia bans aid from Ebola countries . Guinea , Liberia and Sierra Leone and Nigeria are battling Ebola .
Australia and Canada commit to sending aid to West Africa . Zambia bans aid from Ebola countries . Guinea , Liberia and Sierra Leone and Nigeria are battling Ebola .