1. Reduced Risk of Flu Illness: Vaccination decreases the likelihood of contracting the flu. 2. Lowered Severity of Illness: Even if vaccinated individuals contract the flu, the severity and duration of the illness are often reduced. 3. Decreased Hospitalizations: Vaccination reduces the number of flu-related hospitalizations, easing the burden on healthcare systems. 4. Protection During Pregnancy: Pregnant women who receive the flu vaccine also help protect their newborns from the flu.