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 What Are Nitazenes? The Drug Stronger Than Fentanyl That Is Killing Hundreds Every Year WSJ People are dying': rise of nitazenes should be treated as pandemic, injecting centre head says Opioids The Guardian Nitazenes kill. How to stay safe from an opioid overdose 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