[nickcarraway]

The same disease goes back to at least the Plague of Justinian, right?

[DallasBiff]

The same disease goes back to at least the Plague of Justinian, right?

I believe so.

[Harmless Teddy Bear]

Earlier then that, our first pandemic that we have any knowledge of was during the Neolithic period and was caused by Y. Pestis.

There have been five major pandemics that can be laid at Y. Pestis feet.