PMC:7299399 / 28741-28935 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T112","span":{"begin":0,"end":194},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Considering that new vaccine development typically requires years to be approved and applied to the general population, there is also an urgent need to study how to improve treatment approaches."}