PMC:7784834 / 331-539 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T8","span":{"begin":2,"end":134},"obj":"Sentence"},{"id":"T9","span":{"begin":135,"end":208},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":". So far the researchers worldwide have not been able to discover a breakthrough in the form of a potent drug or an effective vaccine. Therefore, it is imperative to discover drugs to curb the ongoing menace."}