Corpus downloaded from PubMed August 10th 38271 publications. There were 2395 keywords that occurred in five or more manuscripts. These 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
pneumonia telemedicine pandemic sars male
epidemiology personal protective equipment coronavirus infection animals female
hydroxychloroquine mental health viral pneumonia antiviral agents adult
infectious diseases outbreak betacoronavirus viruses middle aged
mortality anxiety china zoonosis aged
infection depression disease outbreaks mers clinical laboratory techniques
inflammation social distancing public health peptidyl-dipeptidase a children
ace2 prevention infection control spike glycoprotein, coronavirus young adult
chloroquine healthcare workers quarantine genome, viral adolescent
acute respiratory distress syndrome triage epidemic respiratory infections tomography, x-ray computed
cytokines masks united states vaccine risk factor
treatment cancer travel antibodies, viral retrospective studies
cardiovascular diseases surgery global health viral vaccines lung
hypertension safety italy diagnosis aged, 80 and over
critical illness spain health personnel clinical trials as topic infant
cytokine storm stress intensive care units transmission fever
diabetes mellitus lockdown critical care phylogeny child, preschool
ards education practice guidelines as topic chiroptera comorbidity
lopinavir guidelines health policy wuhan pregnancy
angiotensin-converting enzyme inhibitors knowledge time factors receptors, virus cough
remdesivir ethics risk assessment immunization, passive hospitalization
obesity patient care contact tracing antibodies, monoclonal severity of illness index
tocilizumab psychiatry world health organization drug repositioning real time polymerase chain reaction
ritonavir disinfection united kingdom alanine surveys and questionnaires
diabetes aerosols infectious disease transmission, patient-to-professional antibody prognosis

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/