Olivia Hayes is a health writer and digital strategist contributing to the WHO blog , where she focuses on delivering clear, credible, and engaging content on a wide range of public health issues. With a deep interest in global health, health communication, and evidence-based reporting, Olivia works to translate complex scientific research into meaningful insights that resonate with audiences worldwide. She regularly covers emerging health trends, disease prevention, wellness guidance, and major public health initiatives, ensuring readers stay informed about the topics that matter most.