We don't know the larger wisdom behind this effort, but several flu shot kiosks have been set up at SFO dispensing H1N1 vaccinations to those 18 and older for the reasonable (by airport standards) fee of $35. Even though most reports we've read say that viral immunity doesn't begin for ten days after the shot, the dispensary clearly believes that their effort will generate both comfort among travelers and quick profits. Visit one on your way out of town, in case you didn't get to it beforehand, between the hours of 7 a.m. and 7 p.m. on weekdays, 8 to 1 on Saturdays, and 11 to 7 on Sundays.