killed 1,400 people. now one of the nation's top doctors, head of the cdc says the epidemic is worse than we first thought. abc's dr. richard besser is in africa on the front lines. >> reporter: the head of the cdc traveling in liberia announced the world is losing the fight against ebola. standing in the pouring rain outside one clinic, you can see why, as we witnessed something terrifying. these men in head to toe protective gear, heaving the body of one victim, still highly contagious, in a flatbed truck, piled high with others. afterwards, spraying him down with bleach. patients through the window watching it all. this is incredible, seeing a truck cart away ten bodies who died from ebola. i can't imagine what someone is thinking who arrived there for treatment. it's the gates of hell going into that treatment warding knowing you're more than likely coming out in a body bag. losing health care workers, just devastating.