CORD-19:4abc50cfc81265083d4cb2aed0a493bb704d0b5b / 55432-55739 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T277","span":{"begin":0,"end":307},"obj":"Sentence"},{"id":"T63128","span":{"begin":0,"end":307},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Nevertheless, as with any genetically modified agent, enhanced surveillance and ecological monitoring are necessary to evaluate the relative risks of the environmental release of such viruses, given the possibility of recombination and genetic material exchange in nature, even if this is a very rare event."}