Oh wow! Potentially big news for the history of smallpox. Haoyue Zhao & Andrew Wilson have just posted their preprint of a study documenting osteomyelitis variolosa from Roman Britain. This bone condition suggests the presence of smallpox there in the 3rd/4thC. https://ora.ox.ac.uk/objects/uuid:74bf519c-110a-483f-b844-053600bceec3 #histmed