On Oct. 12, Vanderbilt University more than doubled the current world record for the total number of vaccinations given in an eight-hour period. From 6:50 a.m. until 2:50 p.m., 12,647 university and medical center faculty, staff and students received free influenza vaccinations at Flulapalooza, a mass vaccination drill and simultaneous attempt to break the current Guinness world record. By the time the event ended around 7 p.m., more than 14,000 total vaccinations had been dispensed.