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The rapidly increasing volume of research is particularly accessible through Dimensions, and less through Scopus, the Web of Science, and PubMed. Google Scholar\u2019s results included many false matches. A few COVID-19 papers from the 21,395 in Dimensions were already highly cited, with substantial news and social media attention. For this topic, in contrast to previous studies, there seems to be a high degree of convergence between articles shared in the social web and citation counts, at least in the short term. In particular, articles that are extensively tweeted on the day first indexed are likely to be highly read and relatively highly cited 3 weeks later. Researchers needing wide scope literature searches (rather than health-focused PubMed or medRxiv searches) should start with Dimensions (or Google Scholar) and can use tweet and Mendeley reader counts as indicators of likely importance.<\/jats:p>","DOI":"10.1162\/qss_a_00066","type":"journal-article","created":{"date-parts":[[2020,5,28]],"date-time":"2020-05-28T19:05:22Z","timestamp":1590692722000},"page":"1068-1091","update-policy":"https:\/\/doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":79,"title":["COVID-19 publications: Database coverage, citations, readers, tweets, news, Facebook walls, Reddit posts"],"prefix":"10.1162","volume":"1","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4827-971X","authenticated-orcid":true,"given":"Kayvan","family":"Kousha","sequence":"first","affiliation":[{"name":"Statistical Cybermetrics Research Group, University of Wolverhampton, Wulfruna Street, Wolverhampton WV1 1LY, UK"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6065-205X","authenticated-orcid":true,"given":"Mike","family":"Thelwall","sequence":"additional","affiliation":[{"name":"Statistical Cybermetrics Research Group, University of Wolverhampton, Wulfruna Street, Wolverhampton WV1 1LY, UK"}]}],"member":"281","reference":[{"issue":"1","key":"bib1","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1087\/20130103","volume":"26","author":"Adie E.","year":"2013","journal-title":"Learned Publishing"},{"issue":"7798","key":"bib3","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1038\/d41586-020-00694-1","volume":"579","author":"Chen Q.","year":"2020","journal-title":"Nature"},{"issue":"4","key":"bib5","doi-asserted-by":"crossref","first-page":"496","DOI":"10.1177\/1075547006288010","volume":"27","author":"Clark F.","year":"2006","journal-title":"Science Communication"},{"key":"bib6","author":"Colavizza G.","year":"2020","journal-title":"BioRxiv"},{"issue":"10","key":"bib7","doi-asserted-by":"crossref","first-page":"2003","DOI":"10.1002\/asi.23309","volume":"66","author":"Costas R.","year":"2015","journal-title":"Journal of the Association for Information Science and Technology"},{"issue":"5","key":"bib8","doi-asserted-by":"crossref","first-page":"292","DOI":"10.1002\/asi.4630270505","volume":"27","author":"de Solla Price D.","year":"1976","journal-title":"Journal of the American Society for Information Science"},{"issue":"2","key":"bib9","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1080\/0194262X.2018.1431589","volume":"37","author":"Delwiche F. 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