I’ll repost this one here since it does matter for early medieval Europe.
Some diseases seem like they should have always been with us. It has long been thought that measles was one of those with a pedigree stretching back into the depths of Antiquity, as soon as people were living in a high enough concentration to maintain a virus that needs a constant supply of human hosts. A recent study by Yuki Furuse, Akira Suzuki, and Hitoshi Oshitani show us that this is not the case. All circulating strains of measles (MeV) h … Read More