PMC:7200337 / 108656-108926 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T102","span":{"begin":88,"end":94},"obj":"http://purl.obolibrary.org/obo/UBERON_0000473"}],"text":"Although some of these vaccine candidates are based on platforms that have been used or tested for other purposes, there remain questions regarding their safety and immunogenicity, including the longevity of any induced responses, that will require continual evaluation."}

{"project":"LitCovid-sentences","denotations":[{"id":"T646","span":{"begin":0,"end":270},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Although some of these vaccine candidates are based on platforms that have been used or tested for other purposes, there remain questions regarding their safety and immunogenicity, including the longevity of any induced responses, that will require continual evaluation."}