Posted in Web Cas says ‘close to zero’ probability burrito led to Shelby … September 30, 2021 Last modified on Wed 1 Sep 2021 15.47 EDT The probability that a contaminated pork burrito led to the US Olympic 1500m medal prospect Shelby Houlihan’s failed drugs test is “very close to zero … https://www.theguardian.com/sport/2021/sep/01/cas-say-close-to-zero-probability-shelby-houlihan-failed-drugs-test-due-to-burrito