PMC:7787218 / 7351-7522 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7787218","sourcedb":"PMC","sourceid":"7787218","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7787218","text":"s a hydrophilic layer, prolonging half-life. Although the technology behind mRNA vaccines is not new, there are no licensed mRNA vaccines, and the Pfizer–BioNtech and Mode","tracks":[]}