CORD-19:00a00d0edc750db4a0c299dd1ec0c6871f5a4f24 / 5629-5749 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T51","span":{"begin":0,"end":120},"obj":"Sentence"},{"id":"TextSentencer_T51","span":{"begin":0,"end":120},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In 1347, the first biological warfare took place in the siege of Caffa (now Feodosia in Ukraine) on the Black Sea coast."}