It really depends how many people are flying in from out of town for the event, otherwise the same logic leads to shutting down all schools and stores.
The recent Houston area cases were from a group that traveled to Egypt recently; I'm sure at least one person in that group was interested in going to the rodeo, which averages about 2.5 million attending each year:
https://www.businessinsider.com/four-us-coronavirus-cases-li...
The recent Houston area cases were from a group that traveled to Egypt recently; I'm sure at least one person in that group was interested in going to the rodeo, which averages about 2.5 million attending each year:
https://www.rodeohouston.com/About-Us/Who-We-Are/Attendance