Also in 1962, Mahdawi and some of his family members were stricken with a serious case of what Mahdawi dubbed "influenza." It is unknown whether this ailment was related to the CIA's plan to poison Mahdawi in April 1962; Nathan J. Citino observes that "the timing of the illness does not correspond exactly to that of the 'incapacitating' operation as described in the cited testimony."[32]