Needle-free Injection Linked to Increasing Workplace Flu Shot Compliance GOLDEN, Colo. – June 13, 2017 – PharmaJet® Inc., the maker of needle-free injection technology, announced today that ONdrugDelivery published their study, entitled Needle-free Injection in Workplace Influenza Clinics, in its May issue. June 6, 2017NewsBy Pharmajet Administrator