Albuquerque, NM (KKOB) — Every Friday through November at all New Mexico and Texas store locations, Walgreens is offering free flu vouchers for uninsured patients. The store offers 200,000 flu vouchers annually to provide free flu immunizations for medically underserved populations that need them most. The vouchers are available in-store. The available dates are October 4th, 11th, 18th and 25th. Then November 1st, 8th, 15th, 22nd and 29th. Patients can schedule an appointment in advance.