Corpus downloaded from PubMed August 3rd 36201 publications. There were 2262 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 25.
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 | anxiety | betacoronavirus | viruses | middle aged |
| mortality | depression | china | zoonosis | aged |
| infection | social distancing | disease outbreaks | outbreak | clinical laboratory techniques |
| inflammation | prevention | public health | peptidyl-dipeptidase a | young adult |
| ace2 | triage | infection control | mers | children |
| chloroquine | masks | quarantine | spike glycoprotein, coronavirus | adolescent |
| acute respiratory distress syndrome | healthcare workers | epidemic | genome, viral | tomography, x-ray computed |
| cytokines | cancer | united states | antibodies, viral | risk factor |
| vaccine | safety | travel | respiratory infections | retrospective studies |
| treatment | surgery | global health | viral vaccines | lung |
| cardiovascular diseases | stress | italy | clinical trials as topic | aged, 80 and over |
| hypertension | lockdown | health personnel | phylogeny | infant |
| critical illness | knowledge | intensive care units | transmission | fever |
| diagnosis | guidelines | practice guidelines as topic | chiroptera | child, preschool |
| cytokine storm | education | critical care | wuhan | comorbidity |
| diabetes mellitus | ethics | time factors | receptors, virus | cough |
| ards | patient care | health policy | immunization, passive | pregnancy |
| lopinavir | disinfection | risk assessment | antibodies, monoclonal | hospitalization |
| angiotensin-converting enzyme inhibitors | psychiatry | world health organization | drug repositioning | severity of illness index |
| remdesivir | aerosols | contact tracing | alanine | real time polymerase chain reaction |
| obesity | palliative care | united kingdom | adenosine monophosphate | surveys and questionnaires |
| tocilizumab | fear | infectious disease transmission, patient-to-professional | antibody | treatment outcome |
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/