There's an article in The Telegraph that mentions this death after FMT. It's mostly an infomercial I think. Plenty of plugs for testing and clinics. Secrets of the gut doctor: From faecal transplants to microbiome testing - the new treatments that could transform your entire health. By Victoria Lambert, 15 June 2019. Paywalled, but if you sign up for an account you can read one article a month for free.