preferred_name: (Novel) 2009 H1N1 influenza with involvement of gastrointestinal tract
preferred_name_lc: (novel) 2009 h1n1 influenza with involvement of gastrointestinal tract
label: (Novel) 2009 H1N1 influenza with involvement of gastrointestinal tract
label_lc: (novel) 2009 h1n1 influenza with involvement of gastrointestinal tract