Medieval manuscripts are "biological time capsules" for deadly sheeppox virus

Other archives and libraries around the world may also contain genetic traces of past disease outbreaks. https://arstechnica.com/science/2026/09/medieval-manuscripts-are-biological-time-capsules-for-deadly-sheeppox-virus/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social