Liberia's chief medical officer has put herself into quarantine for 21 days after her office assistant died of Ebola, The Associated Press reported. Bernice Dahn, a deputy health minister, told said on Saturday that she did not have any Ebola symptoms but wanted to ensure she was not infected. The World Health Organization says 21 days is the maximum incubation period for Ebola, which has killed more than 3,000 people across West Africa and is hitting Liberia especially hard.
