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Protocol for Donors Testing Positive for COVID-19: LRT, lower respiratory tract, NPS, nasopharyngeal swab. Hypercoagulability and hyperinflammatory syndrome as previously defined.8 For lung transplants, a period of <20 days was selected based on isolation guidance for immunosuppressed patients from the Centers for Disease Control and Prevention.9 A lower respiratory tract specimen consisted of either a bronchoalveolar lavage specimen or a tracheal aspirate.
