LOS ANGELES–(BUSINESS WIRE)–The University Eye Center Los Angeles, part of Ketchum Health, the clinical teaching facility of Marshall B. Ketchum University (MBKU), is partnering with Walgreens to offer free flu shots to uninsured and underinsured Los Angeles residents at three clinics this November, giving patients time to build protection before the holidays. The clinics are aimed at the Angelenos most likely to go without a flu shot. About 1 in 12 Los Angeles County residents had no health