Ebola declared an 'international emergency'

The World Health Organization has declared the Ebola outbreak in West Africa an international health emergency. The disease has already killed at least 961 people in Guinea, Sierra Leone, Liberia and Nigeria. Al Jazeera's Mohammed Adow reports from Lagos. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/