PMC:7558914 / 2303-2482 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T20","span":{"begin":43,"end":104},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ognized in Wuhan (China) in December 2019. It quickly became a global pandemic, spreading worldwide [1]. Spain is one of the most affected countries, with more than 593,000 confir"}