A high-ranking official of the US Department of Defence experienced symptoms similar to those of so-called Havana syndrome at the NATO summit in Vilnius last year, the US Department of Defense (DOD) said on Monday. “I can confirm that a senior DOD official experienced symptoms similar to those reported in anomalous health incidents,” Pentagon spokeswoman Sabrina Singh told journalists in Washington when asked about a news report regarding the case. “This person was there at the — at the NATO Summit in Vilnius; not part of the secretary’s delegation that was also there during that time.” At the…