A comparison of epidemiology and clinical outcomes between influenza A H1N1pdm09 and H3N2 based on multicenter surveillance from 2014 to 2018 in South Korea.
Jin Gu YoonJi Yun NohWon Suk ChoiJacob LeeJin Soo LeeSeong-Heon WieYoung Keun KimHye Won JeongShin Woo KimKyung-Hwa ParkJoon Young SongHee Jin CheongWoo-Joo KimPublished in: Influenza and other respiratory viruses (2020)
A(H1N1)pdm09 infection was more common in younger patients without significant difference in pneumonia risk and in-hospital mortality between subtypes. Influenza vaccination was associated with reduced in-hospital mortality.