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Health workers in Sierra Leone, Guinea and Liberia are battling what's been called the largest, most complex outbreak of the Ebola virus ever.
The outbreak has killed more than 700 people in western Africa, including at least 50 health care workers. Some Ebola patients are being flown to the U.S. for treatment, while American health workers continue to travel to western Africa to help suppress the outbreak and treat the sick, despite the danger.
Dr. Nahid Bhadelia, director of infection control at the National Emerging Infectious Diseases Laboratory (NEIDL) at Boston University. She's slated to travel to Sierra Leone later this month to share her expertise on infection control and care directly for Ebola patients. She's also hospital epidemiologist at Boston Medical Center.
This segment aired on August 1, 2014.