Ancient DNA Shows Plague Existed 5,500 Years Ago

Researchers have found evidence that the plague was affecting humans 5,500 years ago, long before the conditions usually associated with outbreaks. By studying ancient DNA from cemeteries in Siberia, they discovered early strains of the plague and signs of outbreaks that impacted families. This research sheds light on the history of diseases.

Based on reporting from ScienceDaily. Read the original story →