Everyone in the module gets pink-eye, which, due to an unrelated coincidence, [is called Apollo in parts of Africa](https://quacktrack.org/why-haemorrhagic-conjunctivitis-is-popularly-called-apollo/).
It also used to be much more difficult even when nobody was ill, leading to [some escapees](https://www.vox.com/2015/5/26/8646675/apollo-10-turd-poop).
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