@CNN: Ancient plague helped determine genetics of the modern European, study says https://t.co/m8Y8LlFsDk https://t.co/yhc7wEdUY3
Ancient plague helped determine genetics of the modern European, study says https://t.co/m8Y8LlFsDk pic.twitter.com/yhc7wEdUY3
— CNN (@CNN) December 8, 2018