Joint WHO/UNEP Press Briefing on the occasion of International Lead Poisoning Prevention week of action The briefing will cover a variety of key issues including the health impacts on children, sources and routes of exposure and information about the campaign week of action taking place 20th-26th October 2013 Maria Neira, Director, Director, WHO Department of Public Health and Environment David Piper, Deputy Head Chemicals Branch, United Nations Environment Programme (UNEP)