PMC:7784828 / 2073-2345 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T27","span":{"begin":0,"end":272},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"While it usually takes 10–15 years to develop a vaccine, in less than a year, promising results from phase III clinical trials of the Pfizer/BioNTech vaccine were recently announced with results from trials by other pharma companies expected to follow soon (Figure 1) [4]."}