WASHINGTON—Congress released $750 million on Friday for the Defense Department to spend in combating the Ebola outbreak, ending a delay caused by lawmakers’ questions over the administration’s strategy.

Sen. James Inhofe of Oklahoma, the top Republican on the Senate Armed Services Committee, said Friday that his panel would allow the administration to access up to $750 million in funding to support the deployment of U.S. troops to stop the virus’ spread.

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