CORD-19:40812d7b28ab3c043610f6e224b3f62806af6eb6 / 26393-26612 JSONTXT

{"project":"CORD-19-SciBite-sentences","denotations":[{"id":"T237","span":{"begin":0,"end":219},"obj":"US"}],"attributes":[{"id":"A237","pred":"class","subj":"T237","obj":"COUNTRY"}],"text":"(2015) reported that the separate evolution of Chinese and US strains (both non-S INDEL and S INDEL) is estimated to have begun around 2006-2009, several years earlier than 2013 when the current US PEDV strains emerged."}