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56:08
Diseases that spill over from animals to humans have been on the rise.
0:33
How are a deadly virus, a tree climber, and a bat related? Watch this video to find out.
4:12
Dr. Nahid Bhadelia describes caring for a young patient in an Ebola ward in West Africa.
2:00
Bobby Sepka chronicles the Ebola outbreak through his music.
8:25
See how scientists are reducing wild mosquito populations with genetic engineering.
7:24
Visit the front lines of the West African Ebola outbreak.
8:51
Follow scientists in Bangladesh as they test fruit bat populations for Nipah virus.