Corpus downloaded from PubMed September 21st include 52105 publications. There were 3258 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 spike glycoprotein, coronavirus young adult
outbreak chloroquine united states vaccine adolescent
depression treatment global health antibodies, viral risk factor
health policy critical illness italy respiratory infections retrospective studies
social distancing cardiovascular diseases travel diagnosis tomography, x-ray computed
prevention hypertension 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 fever
lockdown remdesivir practice guidelines as topic wuhan treatment outcome
cancer obesity contact tracing antibodies, monoclonal child, preschool
healthcare workers thrombosis world health organization receptors, virus severity of illness index
triage angiotensin-converting enzyme inhibitors delivery of health care antibody pregnancy
risk lopinavir brazil immunization, passive hospitalization
safety tocilizumab united kingdom alanine prognosis
surgery diabetes incidence drug repositioning intensive care units
virology randomised controlled trial communicable disease control host-pathogen interactions real time polymerase chain reaction
knowledge acute kidney injury infectious disease transmission, patient-to-professional adenosine monophosphate cough
ethics influenza republic of korea virus replication cross-sectional studies
education interleukin-6 communication virus internalization respiration, artificial
disinfection ritonavir stress, psychological serology age factors
guidelines meta-analysis masks molecular docking simulation rna, viral

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/