Ubiquitous embassy rooftop comms and spy equipment needs to be examined
   as the cause of the syndrome. Latest high-tech, high power arrays may
   be correlated because some are designed to penetrate signal/EMR
   defenses, and emit hazards long classified even from staff and
   equipment operators.
   At 03:17 AM 7/21/2021, jim bell wrote:

[1]
https://news.yahoo.com/many-200-americans-now-reported-083000770.html

Almost half of those reporting symptoms are linked to the CIA, say
officials, with possible cases in Berlin and Vienna and on every
continent but
Antarctica.

_--__--------


Jim Bell's comment
follows.


Given how easy it should be to do an audio or radio/microwave
spectrum analysis, using a SDR and smartphone, I'm surprised this is
still so mysterious.

References

   1. https://news.yahoo.com/many-200-americans-now-reported-083000770.html