PMC:7712180 / 5058-5516 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"228","span":{"begin":21,"end":25},"obj":"Species"},{"id":"229","span":{"begin":83,"end":87},"obj":"Species"},{"id":"230","span":{"begin":170,"end":175},"obj":"Species"},{"id":"231","span":{"begin":178,"end":182},"obj":"Species"},{"id":"232","span":{"begin":214,"end":218},"obj":"Species"},{"id":"233","span":{"begin":320,"end":324},"obj":"Species"},{"id":"234","span":{"begin":397,"end":403},"obj":"Species"},{"id":"271","span":{"begin":161,"end":163},"obj":"Disease"}],"attributes":[{"id":"A228","pred":"tao:has_database_id","subj":"228","obj":"Tax:114729"},{"id":"A229","pred":"tao:has_database_id","subj":"229","obj":"Tax:119210"},{"id":"A230","pred":"tao:has_database_id","subj":"230","obj":"Tax:9606"},{"id":"A231","pred":"tao:has_database_id","subj":"231","obj":"Tax:114729"},{"id":"A232","pred":"tao:has_database_id","subj":"232","obj":"Tax:114727"},{"id":"A233","pred":"tao:has_database_id","subj":"233","obj":"Tax:114727"},{"id":"A234","pred":"tao:has_database_id","subj":"234","obj":"Tax:9606"},{"id":"A271","pred":"tao:has_database_id","subj":"271","obj":"MESH:D009404"}],"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":" virus. Similarly, A/H2N2/1957-derived virus disappeared after the appearance of A/H3N2/1968 pandemic virus containing six gene segments (PB2, PA, NP, NA, M and NS) from human A/H2N2/1957-derived virus. In 1977, A/H1N1/1918-derived virus reemerged, probably due to accidental release from a laboratory, as a low-grade A/H1N1/1977 pandemic virus that primarily affected young immunologically naïve people [17,18] who were born after the end of the H1 period ("}

{"project":"LitCovid-sentences","denotations":[{"id":"T30","span":{"begin":8,"end":202},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" virus. Similarly, A/H2N2/1957-derived virus disappeared after the appearance of A/H3N2/1968 pandemic virus containing six gene segments (PB2, PA, NP, NA, M and NS) from human A/H2N2/1957-derived virus. In 1977, A/H1N1/1918-derived virus reemerged, probably due to accidental release from a laboratory, as a low-grade A/H1N1/1977 pandemic virus that primarily affected young immunologically naïve people [17,18] who were born after the end of the H1 period ("}