Well, some of them got it, but since there is generally no requirement for reporters and family to report positive tests, we'll never know for sure how many people caught COVID-19 at the event or how sick they got.

(Note: The CEO of CBS is probably required to disclose a positive because his health directly effects the value of that publicly traded company.)

https://www.nytimes.com/2022/05/06/world/george-cheeks-covid-positive-biden.html