The DOD mandates flu vaccination every year for their servicemembers (who can't simply "take a couple of weeks off"). It does indeed usually significantly decre

The DOD mandates flu vaccination every year for their servicemembers (who can't simply "take a couple of weeks off"). It does indeed usually significantly decrease the incidence of flu infection. If it didn't the DOD would probably find some better way to spend that money, like buying a missile or something. :P