PMC:7675688 / 17450-17831 JSONTXT 2 Projects

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Id Subject Object Predicate Lexical cue
T137 0-381 Sentence denotes In addition, crew members with unusual or atypical symptoms may not have considered themselves to be infected with SARS-CoV-2.9 These observations suggest that nonsymptomatic or mildly symptomatic crew members played an important role in the rapid spread of the outbreak, much as young adults with asymptomatic infection appear to contribute to spread in civilian populations.10,11