Influenza pneumonia among adolescents and adults: a concurrent comparison between influenza <scp>A</scp> (<scp>H1N1</scp>) pdm09 and <scp>A</scp> (<scp>H3N2</scp>) in the post‐pandemic period

Abstract

During the first post-pandemic flu season, patients with the A (H1N1) pdm09 pneumonia showed similar clinical characteristics but slightly higher disease severity and stronger systemic inflammatory response than A (H3N2) pneumonia.