We've experienced the overreactions, and won't fall victim to it ourselves. Back in 2009, we were on the Emerald Princess where one of the crew had contracted H1N1. Every port city delayed our debarkation, though Princess never told us anything about why were being delayed (other than to blame the port authorities) until the German authorities handed out pamphlets to all debarking passengers telling us about it. We found out because we had booked an independent tour, and they could tell us the truth without fear of repercussion. We were treated as pariahs in all the port cities. We still refer to the Emerald as the "plague ship".