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An Anonymous Coward writes:

The US believes several State Department employees at the US embassy in Havana were subjected to an "acoustic attack" using sonic devices that left at least two with such serious health problems they needed to be brought back to the US for treatment, several senior State Department officials told CNN. One official said the employees could have suffered permanent hearing loss as a result.

The employees affected were not at the same place at the same time, but suffered a variety of physical symptoms since late 2016 which resembled concussions.

Conspiracy theory fodder, or actually possible?

alt links:
https://archive.fo/yZB5q
https://web.archive.org/web/20170809231552/http://edition.cnn.com/2017/08/09/politics/us-cuba-acoustic-attack-embassy/index.html

Original Submission

takyon writes:

State Department orders nonessential diplomats and families out of Cuba following mysterious attacks

The US State Department is pulling out all families of employees and nonessential personnel from Cuba, after a string of mysterious attacks against US diplomats.

Several US officials tell CNN that 21 US diplomats and family members became ill after apparent sonic attacks. The American embassy will continue to operate with a 60% reduction in staff. The officials said the US will stop issuing visas in Cuba effective immediately because of the staff reductions and the decision is not described as a retaliatory measure. Officials say there will still be consular officials in the embassy available to assist US citizens in Cuba.

The State Department is also issuing a travel warning, urging Americans not to travel to Cuba because they could also be at risk as some of the attacks against diplomats have taken place at hotels where Americans stay, a senior State Department official told reporters Friday.

Also at the Miami Herald, BBC, and NYT:

Some of those attacked have suffered significant injuries, with symptoms including hearing loss, dizziness, tinnitus, balance and visual problems, headache, fatigue, cognitive issues and difficulty sleeping. But despite an intensive investigation by the F.B.I., the cause and perpetrators of the attacks remain a mystery, with some experts speculating that some kind of sonic weapon or faulty surveillance device may have been at fault.

Related: US Embassy Employees in Cuba Possibly Subjected to 'Acoustic Attack'

Original Submission

Phoenix666 writes:

The State Department has not provided further details about the medical condition of the affected staffers. But government officials have suggested anonymously that the diplomats may have been assaulted with some sort of sonic weapon.

Experts in acoustics, however, say that's a theory more appropriate to a James Bond movie.

Sound can cause discomfort and even serious harm, and researchers have explored the idea of sonic weaponry for years. But scientists doubt a hidden ultrasound weapon can explain what happened in Cuba.

"I'd say it's fairly implausible," said Jürgen Altmann, a physicist at the Technische Universität Dortmund in Germany and an expert on acoustics.

Once again, the New York Times gets it wrong. James Bond is not the movie genre they're looking for.

mrpg also brings us this less-critical AP report, What Americans Heard in Cuba Attacks: The Sound.

Original Submission

takyon writes:

A U.S. government health alert has sparked comparisons to symptoms experienced by State Department employees in Cuba:

US officials have issued a health alert after a US government employee stationed in southern China reported "abnormal sensations of sound and pressure" that indicated a mild brain injury.

The official, assigned to the city of Guangzhou, reported a range of physical symptoms from late 2017 through to April 2018, and was sent back to the United States for assessment, the State Department said. The US Embassy in Beijing learned on May 18 that the clinical findings of the evaluation matched that of a "mild traumatic brain injury," an embassy spokeswoman told CNN.

The alert will raise comparisons with a series of unexplained incidents in Cuba that led to the withdrawal of most US personnel from the embassy in Havana. The cause of those incidents, reported in late 2016 and early 2017, still remains a mystery.

[...] The State Department said in its Wednesday statement that anyone who experienced "unusual acute auditory or sensory phenomena" while in China should move away from the source of the noise.

Also at BBC, CNBC, South China Morning Post, and MarketWatch.

Related: US Embassy Employees in Cuba Possibly Subjected to 'Acoustic Attack'
U.S. State Department Pulls Employees From Cuba, Issues Travel Warning Due to "Sonic Attacks"
A 'Sonic Attack' on Diplomats in Cuba? These Scientists Doubt It
Cuban Embassy Victims Experiencing Neurological Symptoms
Computer Scientists May Have Solved the Mystery Behind the 'Sonic Attacks' in Cuban Embassy

Original Submission

Arthur T Knackerbracket has found the following story:

Two American diplomats stationed in China were reportedly evacuated from the region after being sickened by a mysterious ailment linked to odd sounds.

The two Americans evacuated worked at the American Consulate in the southern city of Guangzhou, the New York Times reported Wednesday, adding that their colleagues and relatives are also being tested by a State Department medical team.

American officials have been worried for months that American diplomats and their families in Cuba -- and now China -- have been subjected to a "sonic attack," leading to symptoms similar to those "following concussion or minor traumatic brain injury," the State Department said in a statement Tuesday.

The new cases broaden a medical mystery that began affecting American diplomats and their families in Cuba in 2016. Since then, 24 Americans stationed in Havana have experienced dizziness, headaches, fatigue, hearing loss and cognitive issues, the State Department said.

[...] The nature of the injury, and whether a common cause exists, hasn't been established yet, the department said.

Previously: Sonic Attack? U.S. Issues Health Alert After Employee Experiences Brain Trauma in Guangzhou, China

Related: US Embassy Employees in Cuba Possibly Subjected to 'Acoustic Attack'
U.S. State Department Pulls Employees From Cuba, Issues Travel Warning Due to "Sonic Attacks"
A 'Sonic Attack' on Diplomats in Cuba? These Scientists Doubt It
Cuban Embassy Victims Experiencing Neurological Symptoms
Computer Scientists May Have Solved the Mystery Behind the 'Sonic Attacks' in Cuban Embassy

Original Submission

takyon writes:

Spooky Theory on Ills of U.S. Diplomats in Cuba (archive)

During the Cold War, Washington feared that Moscow was seeking to turn microwave radiation into covert weapons of mind control. More recently, the American military itself sought to develop microwave arms that could invisibly beam painfully loud booms and even spoken words into people's heads. The aims were to disable attackers and wage psychological warfare.

Now, doctors and scientists say such unconventional weapons may have caused the baffling symptoms and ailments that, starting in late 2016, hit more than three dozen American diplomats and family members in Cuba and China. The Cuban incidents resulted in a diplomatic rupture between Havana and Washington.

The medical team that examined 21 affected diplomats from Cuba made no mention of microwaves in its detailed report [open, DOI: 10.1001/jama.2018.1742] [DX] published in JAMA in March. But Douglas H. Smith, the study's lead author and director of the Center for Brain Injury and Repair at the University of Pennsylvania, said in a recent interview that microwaves were now considered a main suspect and that the team was increasingly sure the diplomats had suffered brain injury. "Everybody was relatively skeptical at first," he said, "and everyone now agrees there's something there." Dr. Smith remarked that the diplomats and doctors jokingly refer to the trauma as the immaculate concussion.

Strikes with microwaves, some experts now argue, more plausibly explain reports of painful sounds, ills and traumas than do other possible culprits — sonic attacks, viral infections and contagious anxiety. In particular, a growing number of analysts cite an eerie phenomenon known as the Frey effect, named after Allan H. Frey, an American scientist. Long ago, he found that microwaves can trick the brain into perceiving what seem to be ordinary sounds.

Mentioned in the article: JASON, which is also investigating the attacks and considering the possibility of microwaves causing the symptoms.

Previously: US Embassy Employees in Cuba Possibly Subjected to 'Acoustic Attack'
U.S. State Department Pulls Employees From Cuba, Issues Travel Warning Due to "Sonic Attacks"
A 'Sonic Attack' on Diplomats in Cuba? These Scientists Doubt It
Cuban Embassy Victims Experiencing Neurological Symptoms
Computer Scientists May Have Solved the Mystery Behind the 'Sonic Attacks' in Cuban Embassy

Original Submission

takyon writes:

The Sounds That Haunted U.S. Diplomats in Cuba? Lovelorn Crickets, Scientists Say

In November 2016, American diplomats in Cuba complained of persistent, high-pitched sounds followed by a range of symptoms, including headaches, nausea and hearing loss.

Exams of nearly two dozen of them eventually revealed signs of concussions or other brain injuries, and speculation about the cause turned to weapons that blast sound or microwaves. Amid an international uproar, a recording of the sinister droning was widely circulated in the news media.

On Friday, two scientists presented evidence that those sounds were not so mysterious after all. They were made by crickets, the researchers concluded.

That's not to say that the diplomats weren't attacked, the scientists added — only that the recording is not of a sonic weapon, as had been suggested.

Alexander Stubbs of the University of California, Berkeley, and Fernando Montealegre-Z of the University of Lincoln in England studied a recording of the sounds made by diplomats and published by The Associated Press. "There's plenty of debate in the medical community over what, if any, physical damage there is to these individuals," said Mr. Stubbs in a phone interview. "All I can say fairly definitively is that the A.P.-released recording is of a cricket, and we think we know what species it is."

Recording of "sonic attacks" on U.S. diplomats in Cuba spectrally matches the echoing call of a Caribbean cricket (open, DOI: 10.1101/510834) (DX)

Previously: US Embassy Employees in Cuba Possibly Subjected to 'Acoustic Attack'
A 'Sonic Attack' on Diplomats in Cuba? These Scientists Doubt It
Cuban Embassy Victims Experiencing Neurological Symptoms
Computer Scientists May Have Solved the Mystery Behind the 'Sonic Attacks' in Cuban Embassy
Sonic Attack? U.S. Issues Health Alert After Employee Experiences Brain Trauma in Guangzhou, China
Two US Diplomats Evacuated From China Amid 'Sonic Attack' Concerns
Latest Explanation for Cuban Embassy Symptoms: Microwave Weapons

Original Submission