They do show up. It's a risk, but so far I'd say it isn't something to be very worried about.
Modern civilization doesn't seem to be too bad at dealing with infectious diseases.
OK, I'll trust the institutional descendants of whoever lost track of the virus samples to contain and destroy the virus samples. They'll probably be paying closer attention now. As long as none are mislabelled and thrown into the general trash.
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 114, and also, as a special case due to the exceptionally close posting times, chapter 115.
There is a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)