PMC:7115396 / 3838-3945 JSONTXT

{"project":"2_test","denotations":[{"id":"32057575-25954763-143294032","span":{"begin":40,"end":41},"obj":"25954763"}],"text":"ection among closely related serotypes [9]. In China, IBV was first observed during the early 1980s, and ou"}

{"project":"LitCovid-PubTator","denotations":[{"id":"71","span":{"begin":54,"end":57},"obj":"Species"}],"attributes":[{"id":"A71","pred":"tao:has_database_id","subj":"71","obj":"Tax:11120"}],"namespaces":[{"prefix":"Tax","uri":"https://www.ncbi.nlm.nih.gov/taxonomy/"},{"prefix":"MESH","uri":"https://id.nlm.nih.gov/mesh/"},{"prefix":"Gene","uri":"https://www.ncbi.nlm.nih.gov/gene/"},{"prefix":"CVCL","uri":"https://web.expasy.org/cellosaurus/CVCL_"}],"text":"ection among closely related serotypes [9]. In China, IBV was first observed during the early 1980s, and ou"}