Fig. 2: Landscape of scientific terms found in all of the abstracts and claims of the patents and applications that were identified as relevant to mRNA vaccine technology.

The scientific landscape was developed using VOS Viewer. LNP, lipid nanoparticle; NME, new molecular entity; PEG, polyethylene glycol; PKR, protein kinase R; SEQ ID, sequence identifier; 3UTR, 3′ untranslated region.