[BorisVSchmid]

Thanks! You might be able to postpone the panicking. Although I haven't looked into head lice (we specifically looked at body lice), this redditor had some links in that head lice apparently are less likely to carry diseases.

https://www.reddit.com/r/news/comments/7qopqf/black_death_sp...

[maxerickson]

The lice would also need to be coming from a human with the plague, right?

And we can treat the plague today.