Corpus downloaded from PubMed September 28th consisted of 53994 publications. There were 3300 keywords that occurred in five or more manuscripts. The keywords divided into five main clusters. To create the map, we used the LinLog method. The minimum cluster size was set to 30.

Table of the most central keywords in each cluster

(Centrality measure used is weighted degree centrality/total link strength)

Cluster 1 Cluster 2 Cluster 3 Cluster 4 Cluster 5
public health pneumonia pandemic sars female
telemedicine mortality coronavirus infection animals male
epidemiology hydroxychloroquine viral pneumonia antiviral agents middle aged
mental health inflammation betacoronavirus viruses adult
epidemic ace2 china zoonosis aged
personal protective equipment infection disease outbreaks mers children
anxiety cytokines infection control peptidyl-dipeptidase a clinical laboratory techniques
infectious diseases acute respiratory distress syndrome quarantine vaccine young adult
depression chloroquine united states spike glycoprotein, coronavirus adolescent
outbreak treatment global health respiratory infections risk factor
health policy critical illness italy antibodies, viral retrospective studies
social distancing hypertension travel diagnosis tomography, x-ray computed
prevention cardiovascular diseases surveys and questionnaires viral vaccines aged, 80 and over
transmission cytokine storm health personnel genome, viral lung
india ards time factors clinical trials as topic infant
social media diabetes mellitus risk assessment phylogeny comorbidity
stress stroke critical care chiroptera treatment outcome
lockdown obesity cross-sectional studies wuhan fever
cancer remdesivir practice guidelines as topic antibody child, preschool
healthcare workers thrombosis contact tracing antibodies, monoclonal severity of illness index
triage lopinavir world health organization receptors, virus pregnancy
risk diabetes delivery of health care immunization, passive hospitalization
safety tocilizumab brazil host-pathogen interactions prognosis
surgery angiotensin-converting enzyme inhibitors united kingdom alanine intensive care units
education acute kidney injury communicable disease control drug repositioning real time polymerase chain reaction

To open the map directly in VOSviewer, please use these the latest MAP and NET files, available through the Open Science Foundation (OSF) repository:
https://osf.io/54gqw/