1. J&J is at roughly 60% efficacy when it comes to not having a positive test (it's at 70% plus when it comes to blocking symptoms). Giving that vaccine to athletes and/or anyone who is tested daily isn't the best move. You're going to see a lot more positives.

2. reports are out that the yankees tested positive roughly to weeks after their dose. studies are starting to come out saying the efficacy is much higher four weeks after one dose of J&J... https://twitter.com/MonicaGandhi9/status/1393250382097227778