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BBC News with David Austin.
The head of the UN mission responding to the Ebola emergency in West Africa has said that there's a critical need for hundreds more health workers to join the fight against the disease. Antony Banbury urged governments around the world to support their deployment, and to avoid any actions that would dissuade them from helping. His warning was echoed by the UN Secretary-General Ban Ki-moon who criticized mandatory quarantine restrictions imposed on health workers returning from the affected region by several countries and cities.