This WHO Newsletter provides regulatory information on the safety of medicinal products worldwide, aiming to enhance patient safety. It compiles updates from national centers, specialized bulletins, and WHO partners, covering topics such as COVID-19 vaccine safety, adverse reactions to medications, and regulatory actions by health authorities. The publication targets healthcare professionals and regulatory bodies, offering insights into medication safety, immunization errors, and workshops on monitoring vaccine safety. The newsletter acts as a resource for understanding global safety measures and regulatory updates.