ul> Oklahoma City tops list for overall activity; Texas lands three markets in nation’s top 10 Silver lining for snowbound Bostonians – Beantown, Portland (Ore.) among markets with least flu activity DEERFIELD, Ill., 2015-3-18 — /EPR Retail News/ — With flu activity winding down in the U.S., Walgreens today announced the top markets (DMAs) and states for…