Corpus downloaded from PubMed 1st June: 17346 publications. There were 1648 keywords that occurred in four or more manuscripts. These divided into five main clusters.

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 coronavirus infection sars female mental health
epidemiology viral pneumonia animals male anxiety
outbreak pandemic antiviral agents adult depression
zoonosis betacoronavirus peptidyl-dipeptidase a middle aged fear
viruses china spike glycoprotein, coronavirus clinical laboratory techniques social support
telemedicine disease outbreaks hydroxychloroquine aged stress
infection public health genome, viral young adult emotions
infectious diseases infection control chloroquine children medical staff
mortality travel viral vaccines tomography, x-ray computed psychological distress
treatment quarantine antibodies, viral adolescent anxiety disorders
wuhan epidemic phylogeny lung health status
respiratory infections global health clinical trials as topic retrospective studies lockdown
transmission italy chiroptera risk factor sleep
prevention united states ace2 fever quality of life
diagnosis personal protective equipment cardiovascular diseases infant resilience, psychological
novel coronavirus pneumonia health personnel middle east respiratory syndrome coronavirus aged, 80 and over follow-up studies
ards time factors inflammation cough workforce
safety practice guidelines as topic mers child, preschool self care
acute respiratory distress syndrome critical care receptors, virus comorbidity suicide
influenza contact tracing cytokines pregnancy ptsd

Cluster description in progress

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

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