Fig. 2
Estimated Number of Norovirus-associated Hospital Discharges by Age Group and Season, 2004–2015, in EFTA and EU countries (n = 32)
Fig. 2 | BMC Infectious Diseases
Estimated Number of Norovirus-associated Hospital Discharges by Age Group and Season, 2004–2015, in EFTA and EU countries (n = 32)