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?:abstract
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BACKGROUND: The COVID-19 pandemic constitutes an ongoing, burning Public Health Emergency of International Concern (PHEIC). In 2015, the World Health Organization (WHO) adopted an open-data policy recommendation in such situations. OBJECTIVES: The present cross-sectional meta-research study aimed to assess the availability of open data and metrics and of articles pertaining to the COVID-19 outbreak in five high-impact journals. METHODS: All articles regarding the SARS-CoV-2, published in five high impact journals (Ann Intern Med, BMJ, JAMA, NEJM and Lancet) until March 14, 2020 were retrieved. Meta-data (namely the type of article, number of authors, number of patients, citations, errata, news and social media mentions) were extracted for each article in each journal in a systematic way. Google Scholar and Scopus were used for citations and author metrics respectively, and Altmetrics and PlumX were used for news and social media mentions retrieval. The degree of adherence to the PHEIC open data call was also evaluated. RESULTS: A total of 140 articles were published until March 14, 2020, mostly opinion papers. Sixteen errata followed these publications. The number of authors in each article ranged from 1 to 63, whereas the number of patients with a laboratory-confirmed SARS-CoV-2 infection reached 2,645. The impact of these publications reached a total of 4,210 cumulative crude citations and 342,790 news and social media mentions. Only one publication (0.7%) provided complete open data, while 32 (22.9%) included patient data. CONCLUSIONS: Even though a large number of manuscripts was produced since the pandemic, availability of open data remains restricted.
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