Corpus downloaded from PubMed September 28th consisted of 53994 publications. There were 3300 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 | vaccine | young adult |
| depression | chloroquine | united states | spike glycoprotein, coronavirus | adolescent |
| outbreak | treatment | global health | respiratory infections | risk factor |
| health policy | critical illness | italy | antibodies, viral | retrospective studies |
| social distancing | hypertension | travel | diagnosis | tomography, x-ray computed |
| prevention | cardiovascular diseases | 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 | treatment outcome |
| lockdown | obesity | cross-sectional studies | wuhan | fever |
| cancer | remdesivir | practice guidelines as topic | antibody | child, preschool |
| healthcare workers | thrombosis | contact tracing | antibodies, monoclonal | severity of illness index |
| triage | lopinavir | world health organization | receptors, virus | pregnancy |
| risk | diabetes | delivery of health care | immunization, passive | hospitalization |
| safety | tocilizumab | brazil | host-pathogen interactions | prognosis |
| surgery | angiotensin-converting enzyme inhibitors | united kingdom | alanine | intensive care units |
| education | acute kidney injury | communicable disease control | drug repositioning | real time polymerase chain reaction |
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/