There's a small amount of epidemiological study that implies that you save more of the very old and very young from the flu by vaccinating school age children (

There's a small amount of epidemiological study that implies that you save more of the very old and very young from the flu by vaccinating school age children (age 5 to 12) children. It makes sense-- they're a primary transmission vector, and they mount a more robust response to the flu vaccine than toddlers and elderly.