A U.N. report says nearly 1,000 people have died of the Ebola virus in Liberia and Guinea, with an additional 1,300 infected.
The outbreak in West African nations is also spreading to Guinea, which is facing its deadliest outbreak since World War II.
The U.S. has also deployed troops to the region.
The Pentagon said it has deployed 5,000 troops to support the government in Liberia.
President Barack Obama is expected to address the issue during his final State of the Union address, which will be broadcast live from the White House on Monday night.
The White House says the president will also discuss how to ensure the region is not left without health care, but he has not made any promises on the issue.