I'm a Texan and my main worry is getting sick here (unknowingly) and having it manifest there. There is a shortage of tests in my city (and testing here takes several days to get results, anyway), so it's not like I can check right before I go.
I will feel safe at Disney World with all of their precautions. We're not high risk (if we were, we'd never even consider traveling anywhere at all), but being sick away from home right now would be difficult logistically, in addition to ruining our trip.
We originally were going to start our trip with a few days at a Universal resort & visit their water park, but I cancelled that as I became too concerned we might get sick there. We're going to spend our whole time in Florida within the Disney gates: Polynesian & Four Seasons, and I do feel comfortable with their cleanliness and precautions.