She has the civil right to spread the plague if she wants to. Heck, Obama even agrees with her which is why he’s bringing the whole of infected Africa here to America. It’s “free speech” or something...darn it!
This builds on the mistake of the AIDS epidemic, where people could get a diagnosis of a fatal sexually transmitted disease and not have to have it labeled on their ID or bodies - risking the possibility of them having sex and spreading it because there was no central database or standard identification method.
Their right to privacy trumped the right of everyone else to know.