Even leading experts in vaccine science have been met with disbelief and ambivalence.Dr. Gregory Polonia, 68, editor in chief of the journal Vaccine, said a loud hissing in his ears has accompanied every moment since his first shot, but that his pleas to colleagues at the Centers for Disease Control and Prevention diseases of exploring the problem phenomenon, tinnitus, had led nowhere.He received polite responses to his numerous emails, but "I have no sense of movement," he said.“If they have done studies, those studies should be published,” Dr. Polonia added. In desperation to "never hear silence again", he sought solace in meditation and his religious faith. Dr. Buddy Creech, 50, who has led several Covid vaccine studies at Vanderbilt University, said his tinnitus and rapid heartbeat la...