There are at least 500 suspected cases, including 130 deaths, so far in the outbreak.
Six other Americans are in the process of being evacuated.
Officials say 246 suspected cases and 65 deaths have been reported in the eastern part of the country.
A case study found indications of Ebola virus in breast milk 14 weeks after recovery, even as blood tests were negative.
Federal law states that acting directors at the CDC have 210 days to serve, after which the administration should name a nominee for the position.
The findings provide further evidence against the COVID-19 lab-leak hypothesis.
A model that tracks the impact of USAID funding cuts estimates that more than 760,000 people have died as a result of those cuts since January 2025.
There are two licensed vaccines for Ebola virus, but no vaccines are licensed for Sudan virus or Marburg virus.
Five health care workers were infected during this outbreak, 3 of whom died.
Nashville also reported its first measles case in 20 years.