PMC:7103735 / 11493-11607 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T97","span":{"begin":0,"end":114},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In addition to mutations, recombination and deletion also play an important role in host switching and adaptation."}