Two patients in the United States infected with Ebola have reportedly improved.
An NBC News freelance cameraman has been declared Ebola free, according to NBC. The cameraman, Ashoka Mukpo, is now the fourth person to overcome the disease in the United States.
Nina Pham, meanwhile, has had her condition upgraded from fair to good, according to the National Institutes of Health. Pham is one of two Dallas nurses infected with the disease after treating Thomas Eric Duncan — the only person in the United States to die of the disease to date.
Some of those quarantined after having contact with Duncan have been cleared.
Nigeria, one of the West African nations impacted by Ebola also has been declared free of the disease by the World Health Organization.