Fig. 1From: Severity and outcomes of influenza-related pneumonia in type A and B strains in China, 2013–2019Screening algorithm of patients hospitalized with Flu-p in China, 2013–2019. 3190 patients with influenza RNA positive were screened. Totally, 693 laboratory-confirmed FluA-p patients and 386 FluB-p patients were included into the studyBack to article page