The fact that new people are coming down with it this week all over the country (after almost a week of lockdown) means they were probably many thousands of cases are out there undetected. Heck .. there are probably tons of people out there who had it, thought it was a cold or flu, got better and done. So there were probably plenty of people at WDW the last two weeks that had COVID-19, just like the flu or the common cold. But unless they have severe symptoms (like this poor man), they may never even go get tested so that "link" to being at WDW while symptomatic won't be there.
That's what keeps me optimistic about this. How many people simply aren't counted in the "big scary number" because they got it, and got better. They got it . .and it was mild or they just thought it was the flu. If that number is big (people who had it but just didn't know it) . .that means the death rate is much, much lower and it's not as scary as they say.
But .. I won't ever know that number, so just need as much testing as possible at this point.