Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12967-020-02472-z/MediaObjects/12967_2020_2472_Fig2_HTML.png)
Associations (% of records in respective corpuses) between different entities (MeSh terms) and the four corpuses of PubMed records (those related to COVID-19, those related to SARS, those related to Coronavirus but excluding SARS, and those related to H5N1). a Different cytokines and chemokines in the four corpuses. b Different cell types in the four corpuses. Only cytokines or cell types with at least one association are included in the plots