Figure 2

Mortality rate. This figure shows the forest plot of (a) Mortality rate between influenza vaccinated group and non-vaccinated group, (b) Subgroups of mortality rate according to countries USA, Italian, and other patients.

Mortality rate. This figure shows the forest plot of (a) Mortality rate between influenza vaccinated group and non-vaccinated group, (b) Subgroups of mortality rate according to countries USA, Italian, and other patients.