PMC:7712180 / 5385-5571 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"234","span":{"begin":70,"end":76},"obj":"Species"}],"attributes":[{"id":"A234","pred":"tao:has_database_id","subj":"234","obj":"Tax:9606"}],"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":"77 pandemic virus that primarily affected young immunologically naïve people [17,18] who were born after the end of the H1 period (1957 and later). This resulted in two subtypes of IAVs "}