[dragonwriter]

> This recent coronavirus outbreak has been very enlightening, cause it gaves us more information on why cruises are a bad idea, and perfect for an epidemic. The same air is recirculating among all cabins.

We already knew that about cruises.

> However, it does not explain why we haven't heard of flu outbreaks in cruises before this coronavirus

We have, actually, but we don't hear about it much, because, except with the scrutiny occurring during this COVID-19 outbreak, which led to media exposure for a cruise ship flu outbreak [0], cruise ships are only required track and report when gastrointestinal disease hits a certain threshold, not respiratory ailments. [1]

[0] https://www.baltimoresun.com/health/bs-hs-royal-carribean-fl...

[1] https://www.cdc.gov/nceh/vsp/surv/gilist.htm

[ridaj]

Interesting. On [0], it seems like people on that ship were not tested for coronavirus though, because they weren't meeting criteria that the CDC had laid out for who could be tested. Let's hope it was really just the flu!...