Investigation of highly cited publications related to vaccines against COVID-19: current state and future predictions

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BACKGROUND: Since the date of declaring the COVID-19 outbreak a pandemic by the World Health Organization (March 11, 2020), vaccine studies have been initiated. In this article, we aimed to investigate highly cited articles on vaccines and guide researchers for future studies. MATERIAL AND METHODS: Publications with 6 or more citations (highly cited publications) were extracted from Web of Science (WoS) database. These publications were investigated according to the number of citations, language, publication year, WoS categories, publication types, organizations involved, authors, countries and research areas. Additionally, top 20 articles were investigated in detail. RESULTS: A total of 126 publications were determined. When WoS categories were investigated, 18 pertained to immunology (14.2 %), 17 to biochemistry (13.4 %) and 17 to multidisciplinary sciences (13.4 %). There were three types of publications, namely 80 original articles (63.4 %), 46 reviews (36.5 %) and 11 early access publications (8.7 %). Top universities were Harvard University (n=9, 7.1 %), Chinese Academy of Medical Sciences (n=7, 5.5 %) and University of California system (n=7, 5.5 %). Top authors were Qin CF with 4 articles (3.1 %), Wang L with 4 articles (3.1 %) and Baric RS with 3 articles (2.3 %). Top journals with the highest number of publications were Journal of Biomolecular Structure Dynamics (n=8, 6.3 %), Nature (n=8, 6.3 %) and Science (n=6, 4.7 %). Top countries were the United States of America (USA) with 45 articles (35.7 %), People's Republic of China with 44 articles (34.9 %), and India with 15 articles (11.9 %). Research areas of the publications were science technology other topics (n=21, 16.6 %), immunology (n=18, 14.2 %) and pharmacology (n=18, 14.2 %). CONCLUSION: Vaccine studies play a pivotal role in the warfare against COVID-19. Our results revealed that under the leadership of the USA, China and India, the number of scientists focusing on vaccines is increasing and gratifying results are obtained from vaccine studies (Tab. 3, Ref. 40).