PMC:7781502 / 146-1612 JSONTXT

{"project":"LitCovid-PubTator","denotations":[{"id":"6","span":{"begin":30,"end":54},"obj":"Disease"},{"id":"7","span":{"begin":56,"end":64},"obj":"Disease"},{"id":"8","span":{"begin":180,"end":188},"obj":"Disease"},{"id":"9","span":{"begin":307,"end":315},"obj":"Disease"},{"id":"15","span":{"begin":646,"end":651},"obj":"Species"},{"id":"16","span":{"begin":361,"end":369},"obj":"Disease"},{"id":"17","span":{"begin":671,"end":674},"obj":"Disease"},{"id":"18","span":{"begin":689,"end":697},"obj":"Disease"},{"id":"19","span":{"begin":708,"end":714},"obj":"Disease"},{"id":"26","span":{"begin":888,"end":935},"obj":"Species"},{"id":"27","span":{"begin":937,"end":947},"obj":"Species"},{"id":"28","span":{"begin":949,"end":958},"obj":"Disease"},{"id":"29","span":{"begin":1179,"end":1187},"obj":"Disease"},{"id":"30","span":{"begin":1204,"end":1207},"obj":"Disease"},{"id":"31","span":{"begin":1259,"end":1265},"obj":"Disease"},{"id":"34","span":{"begin":1455,"end":1465},"obj":"Species"},{"id":"35","span":{"begin":1313,"end":1321},"obj":"Disease"}],"attributes":[{"id":"A6","pred":"tao:has_database_id","subj":"6","obj":"MESH:C000657245"},{"id":"A7","pred":"tao:has_database_id","subj":"7","obj":"MESH:C000657245"},{"id":"A8","pred":"tao:has_database_id","subj":"8","obj":"MESH:C000657245"},{"id":"A9","pred":"tao:has_database_id","subj":"9","obj":"MESH:C000657245"},{"id":"A15","pred":"tao:has_database_id","subj":"15","obj":"Tax:9606"},{"id":"A16","pred":"tao:has_database_id","subj":"16","obj":"MESH:C000657245"},{"id":"A18","pred":"tao:has_database_id","subj":"18","obj":"MESH:C000657245"},{"id":"A19","pred":"tao:has_database_id","subj":"19","obj":"MESH:D003643"},{"id":"A26","pred":"tao:has_database_id","subj":"26","obj":"Tax:2697049"},{"id":"A27","pred":"tao:has_database_id","subj":"27","obj":"Tax:2697049"},{"id":"A28","pred":"tao:has_database_id","subj":"28","obj":"MESH:D007239"},{"id":"A29","pred":"tao:has_database_id","subj":"29","obj":"MESH:C000657245"},{"id":"A31","pred":"tao:has_database_id","subj":"31","obj":"MESH:D003643"},{"id":"A34","pred":"tao:has_database_id","subj":"34","obj":"Tax:2697049"},{"id":"A35","pred":"tao:has_database_id","subj":"35","obj":"MESH:C000657245"}],"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":"Background\nThe control of the coronavirus disease 2019 (COVID-19) pandemic depends on the profound investigation of the virus biology and its consequences. We aimed to analyze the COVID-19 research productivity of authors representing different countries and associations between the number of articles and COVID-19 spread.\nMethods\nWe retrieved all articles on COVID-19 indexed in PubMed between 31 December 2019 and 30 June 2020. We identified the countries of individual authors’ affiliations. We performed the R Spearman rank correlation test between the number of articles with at least one author from a country per one million citizens and Human Development Index (HDI), a number of COVID-19 cases and deaths per one million citizens before 1 July 2020.\nResults\nOverall, we identified 27,815 articles, including 18,225 original contributions, 2,449 reviews, and 69 meta-analyses on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. The highest productivity characterized the authors coming from China (n = 11,519 articles with at least one author), followed by the United States of America (n = 9,666) and Italy (n = 7,261). The number of articles on COVID-19 associated with HDI (Rs = 0.79), the numbers of cases (Rs = 0.47), and deaths (Rs = 0.46) (all p \u003c 0.001).\nConclusions\nEarly COVID-19 researches were most often authored by researchers from highly developed countries and those affected by the rapid initial spread of SARS-CoV-2."}

{"project":"LitCovid-sentences","denotations":[{"id":"T4","span":{"begin":0,"end":10},"obj":"Sentence"},{"id":"T5","span":{"begin":11,"end":155},"obj":"Sentence"},{"id":"T6","span":{"begin":156,"end":323},"obj":"Sentence"},{"id":"T7","span":{"begin":324,"end":331},"obj":"Sentence"},{"id":"T8","span":{"begin":332,"end":430},"obj":"Sentence"},{"id":"T9","span":{"begin":431,"end":495},"obj":"Sentence"},{"id":"T10","span":{"begin":496,"end":759},"obj":"Sentence"},{"id":"T11","span":{"begin":760,"end":767},"obj":"Sentence"},{"id":"T12","span":{"begin":768,"end":959},"obj":"Sentence"},{"id":"T13","span":{"begin":960,"end":1152},"obj":"Sentence"},{"id":"T14","span":{"begin":1153,"end":1294},"obj":"Sentence"},{"id":"T15","span":{"begin":1295,"end":1306},"obj":"Sentence"},{"id":"T16","span":{"begin":1307,"end":1466},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Background\nThe control of the coronavirus disease 2019 (COVID-19) pandemic depends on the profound investigation of the virus biology and its consequences. We aimed to analyze the COVID-19 research productivity of authors representing different countries and associations between the number of articles and COVID-19 spread.\nMethods\nWe retrieved all articles on COVID-19 indexed in PubMed between 31 December 2019 and 30 June 2020. We identified the countries of individual authors’ affiliations. We performed the R Spearman rank correlation test between the number of articles with at least one author from a country per one million citizens and Human Development Index (HDI), a number of COVID-19 cases and deaths per one million citizens before 1 July 2020.\nResults\nOverall, we identified 27,815 articles, including 18,225 original contributions, 2,449 reviews, and 69 meta-analyses on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. The highest productivity characterized the authors coming from China (n = 11,519 articles with at least one author), followed by the United States of America (n = 9,666) and Italy (n = 7,261). The number of articles on COVID-19 associated with HDI (Rs = 0.79), the numbers of cases (Rs = 0.47), and deaths (Rs = 0.46) (all p \u003c 0.001).\nConclusions\nEarly COVID-19 researches were most often authored by researchers from highly developed countries and those affected by the rapid initial spread of SARS-CoV-2."}