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Cuban scientists said on Monday that there was no evidence that US diplomats contracted so-called “Havana syndrome” on the island.

The mysterious affliction is believed to cause headaches, nausea and possible brain damage, and it is believed to be caused by electronic weapons possibly used by an American rival like Russia.

Several suspected cases have been reported among US officials and intelligence agents since 2016, first in Cuba, then in China, Germany, Australia, Taiwan and Washington itself.

But a panel convened by the Communist Cuban government – 16 experts in various fields and affiliated with the Cuban Academy of Sciences – said the claims were not “scientifically acceptable” and that there was “no evidence. scientific attacks “against this nature on Cuban soil.

“We conclude that the ‘mystery syndrome’ narrative is not scientifically acceptable in any of its components,” the panel said in a report posted on Cubadebate, an official one-party state news site.

In July, the New Yorker The magazine reported that there had been dozens of new cases of “Havana Syndrome” among US officials in Vienna, Austria, since the start of 2021.

Last month, U.S. Vice President Kamala Harris delayed a trip to Vietnam after the U.S. Embassy in Hanoi reported a possible case, raising concerns that she was a target.

The Cuban expert report said some have accepted “as an axiom that attacks have taken place in Havana”.

“However, after four years, no evidence of attacks has emerged,” and “neither the Cuban police, the FBI, nor the Royal Canadian Mounted Police have uncovered any evidence of” attacks “on diplomats in Havana despite intense investigations.

The alleged incidents remain poorly understood and have sparked theories that they were caused by a weapon using focused microwaves, ultrasound, poison or even a reaction to crickets.

Cuban experts said: “No known form of energy can selectively cause brain damage (with laser-like spatial accuracy) under the conditions described for the alleged incidents in Havana.”

They added that most of the reported symptoms could be explained by the disease, concluding: “There is no new syndrome.”

The panel said it would consider any new evidence.

The syndrome has affected U.S. officials almost uniformly, but in 2017, Canadian diplomats and their families in Havana reported several cases.

Some people have reported hearing focused, high-pitched or high-pitched sounds that left them nauseous.

Sometimes the afflicted had bloody noses, headaches, or other concussion-like symptoms.

Former President Donald Trump’s administration withdrew U.S. personnel from Havana and expelled Cuban diplomats from Washington, suggesting that the Cuban or Russian government was behind the alleged attacks.

Last year, a National Academy of Sciences study said one possible explanation could be pulsed and directed microwaves.

The CIA has created a task force to study the problem.

The Independent Gt