AdvertisementBlack Death survivors gave their descendants a genetic advantage — but with a costUpdated October 21, 2022Michaeleen DouclefffacebookEmailResearchers extracted DNA from the remains of people buried in the East Smithfield plague pits, which were used for mass burials in 1348 and 1349. (Museum of London Archaeology (MOLA))This article was originally published on October 19, 2022.