An outbreak of relapsing fever unmasked by microbial paleoserology, 16th century, France Thomas Chenal, Jacqueline Guirou, Rémi Barbieri, Hamadou Oumarou Hama, Yann Ardagna, Michel Signoli, Gérard Aboudharam, Didier Raoult, Michel Drancourt, A. Mayer • 2020