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Introduction: Malnutrition is a significant cause of child morbidity and mortality, and it remains a global health issue with high prevalence. Here, we carried out a bibliometric survey to provide global scientific research output on malnutrition and identify the research gaps and future research direction from published papers searched in Web of Science (WoS).Methods: A comprehensive analysis was generated by searching the WoS database. Medical Subject Headings (MeSH), was used to search terms "Malnutrition' or 'Malnourishment' or 'Nutritional Deficiency' or 'Undernutrition' or 'Nutrition Disorders.' Was used to retrieve article published in between 1900 and 2020. Only original research and review papers published in English were included in the analysis. SPSS, HistCite, Bibliometrix app." (Using R), and VOSviewer ver 1.6.6 were used for analysis. Results:Research output peak from 1972 to 2007 with 100(0.99%) articles, in 2008 to 2012 with more than 200 (1.98%) articles, while the year 2019 and 2020 had the least more than 500 (4.95%) articles per year. The United States ranked first in terms of the number of articles 1947(19.28%), followed by United Kingdom 604 (5.98%), and Brazil 412 (4.08%). In addition, our analyses revealed a significant correlation between the total number of citations Year science publications(r=0.9216, p<0.0001), and between number of countries (r=0.9219, p<0.0001), and number of Number of authors (r=0.4149, p<0.0001), and Institution (r=0.5534, p<0.0001), Journal h_index (r=0.6927, p<0.0001), and Journal impact factors (r=0.6364, p<0.0544). Conclusion:This bibliometric analysis provides insights into the global overview on the annual trend of the global malnutrition research output, institution, journal, authors, and countries.

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The achievements in Ebola virus disease (EVD) prevention and control can be reflected by scientific studies, particularly in the top-cited studies. The study thus aimed to identify and characterise the 100 top-cited studies of EVD. The study used a retrospective bibliometric-analysis, which was performed in January 2020. Studies were searched from the Web of Science using keywords: "Ebola" or "Ebola virus" or "Ebola virus disease" to identify the 100 top-cited EVD studies. Studies were analysed for the number of citations, authorship, and journal, year of publication, country and institution. The analyses were carried out using SPSS, HistCite and VOSviewer. The 100 top-cited studies were published between 1977 and 2017, cited from 169 to 808 times and had an average citation of 290.5, and 8 studies were cited more than 500 times. They were published in 31 journals, and the Journal of Virology published most of the studies (n=14). They were produced by 33 countries, and the USA published most of the studies (63), followed by Germany (8) and Gabon (6). CDC-USA (26) was the leading institution, while Geisbert TW and Sanchez A were the most productive authors. This study provides insights into the historical advancements reflected by the top-cited studies and has highlighted the leading roles played by various stakeholders in addressing EVD. However, the contribution of African countries is not sufficiently reflected among these studies, and so more focus, funding and involvement in clinical research is needed for effective prevention and control of EVD in Africa.

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