Staff sent to Cuba should have brain and hearing tests before they leave, officials now recommend.
A warning noted that the victims suffered ear complaints, hearing loss and dizziness.
Has Trump's "America First" doctrine marginalized the U.S. in the hemisphere?
Both the U.S. and Canada have been investigating what caused dozens of workers in Havana to be struck by similar symptoms, including hearing loss, dizziness, and nausea.
At least 24 American staff members and several Canadian diplomats at the American Embassy in Havana were affected.
Rex Tillerson reasserts claim that Cuba is dangerous for Americans, even after FBI discovered no evidence of "sonic attacks."
He is the first Pentagon chief to visit the detention center since 2002.
Scientists may have figured out the mysterious symptoms.
Cuba reject's Trump's "unilateral and arbitrary" demands.
North Korea called the U.S. "the kingpin of all kinds of terrorism who cannot even prevent terror in its own territory."
"Policies are getting worse. They are punishing everyone. They are just humiliating us," says Saifullah Paracha.
From South America to East Asia, nations held high their red flags and hammers and sickles to commemorate the centennial of Russia's October Revolution.
Details of the schemes to kill the Cuban leader were contained in a secret 1975 report.
The State Department will make an official announcement as early as Tuesday, according to several sources familiar with the matter.
The moves follow U.S. claims that its officials in Havana have suffered serious harm from "sonic attacks."
Scientists and intelligence analysts continue to question whether undetected sound waves could cause a sudden onset of hearing loss.
A Cuban state-owned agency wants to reopen a few of the once-popular inns, known as “posadas.”