The tooth samples came from seven Bronze Age individuals from 5000 years ago ( 3000 BC ) .
`` Plasmids of Y. pestis have been detected in archaeological samples of the teeth of seven Bronze Age individuals from 5000 years ago ( 3000 BC ) , in the Afanasievo culture in Siberia , the Corded Ware culture in Estonia , the Sintashta culture in Russia , the Unetice culture in Poland and the Andronovo culture in Siberia.  ( 15 ) 01322-7The Amarna letters and the Plague Prayers of Mursili II describe an outbreak of a disease among the Hittites , '' '' Plague Prayers of Mursilis '' '' Pritchard , J . B . 1969 . ''
Plague -LRB-disease-RRB-