Potential fentanyl vaccine, test kits a 'great breakthrough' to combat synthetic opioid deaths Fox NewsPotential fentanyl vaccine in the works to block opioid brain entry News4JAX The Local StationDoctors reveal game-changer to help stop fentanyl overdose crisis across metro and country WSB AtlantaClinical trials set to begin for fentanyl vaccine FOX 32 ChicagoVaccine called ‘game changer’ in fight against opioid addiction NewsNation NowView Full Coverage on Google News