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We read with interest the recent report describing faecal microbiota transplantation (FMT) as an effective treatment for certain gastrointestinal diseases, such as Clostridium difficile infection,1 with its high burden and increasing frequency.2 In FMT, donor stools are screened for infectious diseases prior to use.3 Screening protocols are still developing. The protocol of Cammarota et al recognises as risky ‘recent (<6 months) history of vaccination with a live attenuated virus, if there is a possible risk of transmission’.1 We contend that this precaution needs extension to include donors who are chronic poliovirus excreters. …
Footnotes
Contributors Jointly written by PGS and JGM.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.