Cohen worked at WLVI in Boston as associate producer of environmental program '' Green Watch '' . She also worked as a reporter for States News Service in Washington , DC and for The '' Times Union '' in Albany , New York . Cohen joined CNN in 1991 . She focuses on health-related issues and has reported from a medical angle on major news stories including the Gulf oil spill , the 2010 Haiti earthquake and Hurricane Katrina . She is currently senior medical correspondent for CNN 's Health , Medical and Wellness unit
Gulf oil spill
Deepwater Horizon oil spill
Elizabeth Cohen