About 100 CIA officers and family have been sickened by Havana syndrome

Director William Burns has initiated a taskforce to investigate the syndrome and tripled the size of the medical team involved

About 100 CIA officers and family members are among about 200 US officials and kin sickened by Havana syndrome", the CIA director, William Burns, said on Thursday, referring to the mysterious set of ailments that include migraines and dizziness.

Burns, tapped by Joe Biden as the first career diplomat to serve as CIA chief, said in a National Public Radio interview that he had bolstered his agency's efforts to determine the cause of the syndrome and what is responsible.