This is one of those articles that tracks the reporting about the syndrome more or less chronologically, thus ending with the most recent CBS 60 Minutes report:
Not drawing a conclusion is better than drawing the wrong one, but when the most recent, official definiton of symptoms of the 'syndrome' is summarized like this ...
1) Something apparently strange or unusual - for instance a smell, a sound, a flashing light -
2) makes people uneasy, so they combine it with an unpleasant sensation that they either already have for other reasons or begin to have due to their anxiety: vertigo, dizziness, headaches, ear pain, fainting (whatever),
3) and others are told about the combination of the sensation and the symptoms, and they begin to feel it themselves.
4) It could not be a more typical case of mass psychogenic illness - provided no other cause is found, i.e. "lack of an environmental or medical explanation".
(Evil eyes, ray guns, alien mind control etc. are obviously not "an environmental or medical explanation"!)
As of now, there is no resolution to the ongoing cases of Havana Syndrome. The best-case scenario is an unfortunate series of coincidences with no common cause between them. On the other hand, the worst-case scenario is we have been witnessing the opening salvos of a 21st-century cold war.
What We Know about the Medical Mystery Known as Havana Syndrome (Grunge, March 15, 2022)
Not drawing a conclusion is better than drawing the wrong one, but when the most recent, official definiton of symptoms of the 'syndrome' is summarized like this ...
... it should be pointed out that it sounds like an obvious example of a case of mass psychogenic illness:The Office of the Director of National Intelligence identified four characteristics of Havana Syndrome, or what it terms "Anomalous Health Incidents"—the rapid onset of strange sounds; a simultaneous sense of vertigo and sometimes ear pain; a strong sense of "locality or directionality"; and a lack of an environmental or medical explanation.
1) Something apparently strange or unusual - for instance a smell, a sound, a flashing light -
2) makes people uneasy, so they combine it with an unpleasant sensation that they either already have for other reasons or begin to have due to their anxiety: vertigo, dizziness, headaches, ear pain, fainting (whatever),
3) and others are told about the combination of the sensation and the symptoms, and they begin to feel it themselves.
4) It could not be a more typical case of mass psychogenic illness - provided no other cause is found, i.e. "lack of an environmental or medical explanation".
(Evil eyes, ray guns, alien mind control etc. are obviously not "an environmental or medical explanation"!)