News outlets report on U.S. government reactions to the West African Ebola outbreak, including the issuance of travel advisories and plans for a vaccine trial.

Associated Press/ABC News: U.S. Warns Against Traveling to Ebola-Hit Countries
“U.S. health officials on Thursday warned Americans not to travel to the three West African countries hit by an outbreak of Ebola…” (Stobbe, 7/31).

CQ HealthBeat: U.S. Steps Up Response to Ebola Outbreak, Issues Advisory
“Centers for Disease Control and Prevention Director Thomas Frieden said Thursday that the Ebola outbreak in West Africa is worsening and that his agency is sending dozens more workers to the region in response, as well as issuing an advisory against non-essential travel to Guinea, Liberia, and Sierra Leone…” (Reichard, 7/31).

Reuters: U.S. advises against non-essential travel to countries hit by Ebola
“…In a conference call with reporters, Frieden said the United States is joining the World Health Organization and others in escalating efforts to fight Ebola. He estimated that it could take at least three to six months to get the outbreak under control…” (Steenhuysen, 7/31).

Reuters: U.S. government seeking to test Ebola vaccine on humans: reports
“The U.S. government will begin testing on people an experimental Ebola vaccine as early as September, after seeing positive results from tests on primates, according to media reports on Thursday…” (Dobuzinskis, 7/31).

USA TODAY: NIH to launch early Ebola vaccine trial in September
“…Results from the study should be available by January, [Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases,] said. If the vaccine proves safe and effective, Fauci said he expects that it could be given to health workers in affected African countries sometime in 2015…” (Szabo, 7/31).