MIT’s third annual flu clinic, open to MIT staff, students, retirees, and family members of staff on MIT’s traditional or flexible health plans, ran on Tuesday from 10 a.m. – 4 p.m. MIT Medical had 15,000 vaccinations on hand and were not expecting to run out. This year’s flu shot has weakened strains of three types of flu: H1N1, H3N2, and influenza B. In the first four hours of Tuesday’s clinic, a record 2,000 vaccinations had already been dispensed, according to Deborah Friscino, Director of Operations at MIT Medical. A second flu clinic open to MIT graduate and undergraduate students will run in W20 on Oct. 14 from 12 – 4 p.m. Another clinic for all MIT Health Plan members will run in W20 on Oct. 18 from 10 a.m.– 4 p.m.