What was interesting on the cruise ships is how few got it. Of the 3,681 tested, only 696 had it - after a month of close quarters. That's under 20%. Doesn't t

What was interesting on the cruise ships is how few got it. Of the 3,681 tested, only 696 had it - after a month of close quarters. That's under 20%. Doesn't that suggest it doesn't spread particularly easily? All in all, 1% of those that caught it died, and cruise ships skew towards older people.