The A.P. received a recording of those "sonic attacks" that supposedly have sickened and injured about two dozen Americanos in Cuba. https://youtu.be/Nw5MLAu-kKs
Seems more likely.
The Guardian has approximately the same take on the phenomenon:
Mass hysteria may explain 'sonic attacks' in Cuba, say top neurologists
Experts suspect a psychosomatic disorder linked to high stress in Havana