PMC:7796369 / 1220-1434 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T13","span":{"begin":0,"end":214},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"While some countries have already started vaccine testing and production, it is estimated that approved vaccination solutions for large-scale implementation can be ready as soon as January 2021 or even earlier [1]."}