Company broadly expands prevention efforts following successful rollout in April DEERFIELD, Ill., 2017-Jul-11 — /EPR Retail News/ — Walgreens today (July 10, 2017) announced that beginning July 13, providers at Walgreens Healthcare Clinic locations in 17 new markets will be able to prescribe PrEP (Pre-Exposure Prophylaxis), a medication protocol for people who don’t have HIV to help…