FAIRFIELD, Aug. 16 -- In response to two new Ebola cases in South Kivu, Heather Kerr, country director of Save the Children in the Democratic Republic of Congo (DRC), said:

"This is extremely sad news-a young mother has died, leaving a baby behind who has also been confirmed positive for Ebola. Once again, women and children have proven to be the most vulnerable in this terrible outbreak. Over 500 children have died already, and the end is not yet in sight.

"The new cases show the virus has spread further south than ever before and this is very worrying. Earlier this week we were hopeful about the reports of new drugs that are effective in the fight against Ebola, and may save thousands of lives. But cases like those in Mwenga territory i...