Wikipedia has a background on 'Havana Syndrome' [0]. The July 2019 study discussed in the article is paywalled but can be found in [1]. 'Havana Syndrome' has be

Wikipedia has a background on 'Havana Syndrome' [0]. The July 2019 study discussed in the article is paywalled but can be found in [1]. 'Havana Syndrome' has been previously discussed on HN [2] [3]. [0] https://en.wikipedia.org/wiki/Havana_syndrome https://en.wikipedia.org/wiki/Havana_syndrome [1] https://jamanetwork.com/journals/jama/article-abstract/2738552 https://jamanetwork.com/journals/jama/article-abstract/27385... [2] https://news.ycombinator.com/item?id=18426129 https://news.ycombinator.com/item?id=18426129 [3] https://news.ycombinator.com/item?id=15460539 https://news.ycombinator.com/item?id=15460539