PMC:7210464 / 643-877 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T3","span":{"begin":3,"end":8},"obj":"http://purl.obolibrary.org/obo/NCBITaxon_10239"},{"id":"T4","span":{"begin":114,"end":115},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"he virus spread was contained by the middle of February. Population outflow from the outbreak source region posed a higher risk to the destination regions than other factors, including geographic proximity and similarity in economic c"}