Rare Disease Day falls on 28 February each year, or on 29 February in a leap year. It aims to build awareness about rare diseases and about access to their diagnosis and treatment; the 2026 theme is "More Than You Can Imagine". World Hearing Day is marked every year on 3 March to draw attention to hearing loss and the need for proper ear care. Its 2026 theme is "From communities to classrooms: hearing care for all children", which places the focus on early detection and support for children.