Aim: The paper presents a bibliometric analysisis of high-cited papers (HCPs) on Covid-19 published during 2019-2021. The study provides evidence on current research trends in the subject, identifies influential countries, organizations, research papers and journals on Covid-19 research. The study evaluates publication and citation performance of highly-cited papers and maps network interactions amongst the key global players using VOSviewer software. Materials and Methods: The data for the study was sourced from Web of Science for the period 2019-2021. Results: The USA, China and the UK dominate global Covid-19 research in terms of research productivity. In terms of citation performance China leads the tally with the USA at the second position. The USA, China and the UK account for a 88% share of total HCPs in the subject. The study identified top eleven centers of excellence based on the criteria of most productivity as well as most-cited organizations. New England Journal of Medicine, Lancet, JAMA – Journal of the American Medical Association, Science and Nature are the most favoured journals for publishing HCPs. The relationship networks of most productive countries, organizations, and keywords are also given in the paper.
Key words: Covid-19, High-Cited Papers, Social network analysis, Scientometrics, Bibliometrics.