PMC:7405836 / 96415-96693 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T667","span":{"begin":10,"end":193},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"e future. This can be achieved by identifying antibodies that can recognize relatively conserved epitopes that are maintained as such even after the occurrence of considerable variations (362). Even though several vaccine clinical trials are being conducted around the world, pr"}