Corpus downloaded from PubMed 11th May: 11005 publications. There were 1634 keywords that occurred in three or more manuscripts. These divided into four main clusters.


Table of the most central keywords in each cluster

(Centrality measure used is weighted degree centrality)

Cluster 1 Cluster 2 Cluster 3 Cluster 4 Cluster 5 Cluster 6
china infection sars coronavirus infection female mental health
disease outbreaks cardiovascular diseases animals viral pneumonia male surveys and questionnaires
public health treatment antiviral agents betacoronavirus adult anxiety
travel angiotensin-converting enzyme inhibitors peptidyl-dipeptidase a pandemic middle aged health knowledge, attitudes, practice
epidemic hypertension spike glycoprotein, coronavirus infection control clinical laboratory techniques stress, psychological
quarantine diabetes mellitus genome, viral italy aged cross-sectional studies
global health diagnosis viral vaccines practice guidelines as topic tomography, x-ray computed depression
epidemiology ards phylogeny health personnel young adult mental health services
outbreak angiotensin receptor antagonists chiroptera personal protective equipment children psychiatry
united states renin-angiotensin system rna, viral infectious disease transmission, patient-to-professional adolescent knowledge
zoonosis influenza antibodies, viral united kingdom lung mental disorders
time factors therapy hydroxychloroquine critical care risk factor fear
viruses acute respiratory distress syndrome chloroquine delivery of health care retrospective studies social support
world health organization guidelines clinical trials as topic intensive care units pneumonia universities
contact tracing immunosuppression middle east respiratory syndrome coronavirus respiration, artificial fever emotions
telemedicine safety receptors, virus influenza, human aged, 80 and over social isolation
infectious diseases diabetes complications ace2 health resources cough medical staff
risk assessment airway management mers critical illness infant anxiety disorders
civil defense heart failure immunization, passive decision making child, preschool health status
mortality covid inflammation cross infection comorbidity students, medical
population surveillance respiratory failure cytokines brazil real-time polymerase chain reaction psychological distress
health policy surgery lopinavir neoplasms severity of illness index corona
patient isolation corona virus antibodies, monoclonal india pregnancy schools
communicable disease control myocardium ritonavir masks radiography, thoracic students
wuhan tracheostomy alanine state medicine prognosis asian continental ancestry group


To open the map directly in VOSviewer, please use these two files.


The maps are created with the following “thesaurus” to clean the data: