Recently the mystery illness which is referred to as Havana Syndrome was found in Hanoi in Vietnam.
Havana Syndrome was first reported in US diplomats who were stationed in Cuba in 2016.
The US diplomats and other employees who stationed in Havana reported feeling ill after hearing strange sounds and experiencing odd physical sensations.
Recently a report by the National Academies of Sciences (NAS) has found “directed” microwave radiation to be its “plausible” cause.