PMC:7443692 / 2042-2138 JSONTXT

{"project":"2_test","denotations":[{"id":"32841605-32015507-19659456","span":{"begin":41,"end":45},"obj":"32015507"}],"text":" in China in December 2019 (Zhou et al., 2020). In approximately six months, this betacoronaviru"}