Some also reported sudden onset of tinnitus, hearing loss, dizziness, unsteady gait, and visual disturbances." The National Academies' committee did not have access to individual records, though eight diplomats shared their stories with the panel, Relman said. Among them, not everyone reported the same symptoms and the National Academy of Sciences research did not have access to all the previous studies on the illnesses, some of which are classified. The report noted that individual cases varied but that many diplomats described a common pattern:"The sudden onset of a perceived loud sound, a sensation of intense pressure or vibration in the head, and pain in the ear or more diffusely in the head. The U.S. Embassy in Cuba is all but closed as a result of the illnesses, while diplomats experiencing similar symptoms stationed in China have had a hard time finding validation from the U.S. government.
The U.S. Province of Cuba is closed because of certain illnesses.
( z0 close :ARG1 ( z1 province :name ( z2 name :op "U.S." :op "Province" :op "of" :op "Cuba" ) ) :ARG1-of ( z3 cause :ARG0 ( z4 ill :mod ( z5 certain ) ) ) )
(z0 / close-01
    :ARG1 (z1 / province
              :name (z2 / name
                        :op1 "U.S."
                        :op2 "Province"
                        :op3 "of"
                        :op4 "Cuba"))
    :ARG1-of (z3 / cause-01
                 :ARG0 (z4 / ill-01
                           :mod (z5 / certain))))
The U.S. Province of Cuba is closed because of certain illnesses .
z2 :op1 2
z1 :name z2
z2 :op2 1
z2 :op3 3
z2 :op4 0
z0 :ARG1 z1
z0 :ARG1-of z3
z4 :mod z5
z3 :ARG0 z4