At the Door of a New Pandemic ? Yellow Fever Worries Experts

Yellow fever, a viral disease transmitted by mosquitoes, has long been contained through vaccination and public health campaigns. However, this disease forgotten in many regions is resurfaced worryingly. Since 2023, several active outbreaks have appeared in Africa, Brazil and the Americas, despite the existence of an effective vaccine since the 1930s. This resurgence alarms global health authorities while vaccination systems are weakened by conf…