More than 1200 vape vials laced with nitazene, a synthetic opioid 200 times more potent than morphine, were sold across Sydney, sparking Australia's first arrest over vapes spiked with the drug. Police Explainer: nitazenes and xylazine a cause for concern News Chemistry World Nitazenes: New synthetic opioid threat in Missouri Springfield Daily Citizen State warns of nitazene, a new highly potent opioid found in Missouri KBIA NSW ACCHOs Drug Alerts AH&MRC Sydney man charged with supplying nitazene laced vape liquid ABC NEWS