On July 24, 2024, John tested positive for Listeria, while in the ICU. John’s sample was genetically linked, by Whole Genome Sequencing, to a cluster of Listeria associated with potatoes from Mexico.
Here are the prior investigations by States, FDA and CDC:
https://www.foodsafetynews.com/files/2025/08/2025-3195-CARA-656-_Redacted-4.pdf
https://www.foodsafetynews.com/files/2025/08/2025-3195-CARA-775-_Redacted-1.pdf
https://www.foodsafetynews.com/files/2025/08/2025-3195-CARA-918-_Redacted-1.pdf
Figure: SNP-tree of sequences of REP strain uploaded to the public sequence repository at
NCBI as of July 2025
On July 16, 2024, John was admitted to the hospital with a headache, facial drooping, … Read the rest