Sierra Leone's president also predicted that the West African country – even as the country registered 19 new Ebola cases over a 24-hour period – would be Ebola-free by World Health Organization standards by May.
One Direction joins the singers remaking the 1984 fundraiser "Do They Know It's Christmas?" U2's Bono will also be joined by Robert Plant, frontman of rock band Led Zeppelin, Coldplay lead singer Chris Martin, and singers Ed Sheeran and Sam Smith.
Liberian President Johnson Sirleaf announced she was lifting the state of emergency in her country, as the outbreak appears to be contained. But a potential new outbreak in Mali shows that work must still be done to curb the disease.