People are dying': rise of nitazenes should be treated as pandemic, injecting centre head says Opioids The Guardian 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 Nitazenes kill. How to stay safe from an opioid overdose Deadly nitazene vapes: First Australian arrest made in Sydney The Australian It's February. How heart smart are St. Louisans?