Havana syndrome
Havana syndrome is a medical episode of signs and symptoms reported by United States and Canadian embassy staff in Cuba which began in November 2016. It has happened in other countries such as in the United States, Austria, and Germany. The phenomenon that began in Havana has been reported by officials and their families stationed in Russia, Poland, Austria, Georgia, Taiwan, Colombia, China, Kyrgyzstan, the United Kingdom, India and Uzbekistan.