Washington D.C., 12 January 2011 (PAHO) — In the face of unprecedented health challenges during 2010, Haiti’s health workers were “heroes” whose untiring efforts saved lives and reduced the suffering of thousands of injured and ill, said Dr. Mirta Roses, Director of the Pan American Health Organization/World Health Organization (PAHO/WHO), in remarks today, one year after the Jan. 12, 2010, earthquake.