doctors fighting ebola

Even veteran health care workers are shaken by Ebola's toll. "I've certified the deaths of more patients than in my last two decades," says Dr. Joe Selanikio, an American working in Sierra Leone.

Dr. Martin Salia was flown to the United States over the weekend. He was working as a general surgeon at a hospital in Sierra Leone.

A doctor, identified as Craig Spencer, who had worked in Ebola-stricken countries with Doctors Without Borders, had been monitoring his health and arrived at the hospital today with a fever.

George Risi spent a month in Sierra Leone. The infectious disease specialist cared for more than 300 patients. About 100 died. Nothing could have prepared him for the experience.

The head of a leading aid group warned the United Nations that the situation in West Africa is desperate. U.N. officials said they're getting help on the ground as quickly as possible.

A team of American infectious disease and critical care experts is alerting colleagues caring for Ebola patients that how they remove their personal…

Dr. Rick Sacra cared for pregnant women and for children in the obstetrics ward of ELWA Hospital in Liberia, run by the Christian Aid group SIM. He is the third American diagnosed with the disease.

Virologist Sheik Humar Khan has been hailed a hero treating Ebola in Sierra Leone. He cared for dozens of patients before testing positive for Ebola and dying of the lethal virus, late last month.