It's true, you might be exposed and not get infected. But given the relatively high rate of infection coupled with lack of natural immunity, you should probably

It's true, you might be exposed and not get infected. But given the relatively high rate of infection coupled with lack of natural immunity, you should probably assume that you will become infected once it becomes widespread in your community. But seriously, most cases are mild - and that's just the reported ones, which will almost inevitably skew to more serious symptoms. Technical question: I'm not super familiar with this virus, for how long will you still test positive after you've recovered? And could that be impacting the statistics from the cruise ship?