112 dead as Ebola spreads to city of 2 million: Inside an ebola isolation ward in Guinea

It's a race against time to contain the spread of a deadly Ebola Outbreak in Western Africa. It's one of the most contagious diseases known to man.

Ebola: A swift, effective and bloody killer

The death toll is rising, and Ebola has, so far, spread from a remote corner of Guinea to the capital city of Conakry, home to two million people. It has also spread to neighboring Liberia.

Dr. Sanjay Gupta is in Conakry, Guinea with exclusive access to patients being tested for Ebola in an isolation ward. He's OutFront.