Volume 26, Number 2—February 2020
CME ACTIVITY - Research
Illness Severity in Hospitalized Influenza Patients by Virus Type and Subtype, Spain, 2010–2017
Figure 1

Figure 1. Number of patients hospitalized for laboratory-confirmed severe influenza, by influenza virus type or subtype and week of hospital admission, Spain, influenza seasons 2010–11 to 2016–17. Seasonal epidemic periods are labeled with dominant circulating virus.