Albinism is a rare, non-contagious, genetically inherited difference present at birth, congenital absence of melanin in an animal or plant resulting in white hair, feathers, scales and skin and reddish pink or blue eyes.

Every year on 14 June, countries around the world celebrate World Blood Donor Day (WBDD), the event was organised for the first time in 2005, by a joint initiative of World Health Organisation, the International Federation of Red Cross and Red Crescent Societies to raise awareness of the need for safe blood and blood products, and to thank blood donors for their voluntary, life-saving gifts of blood.

The World Sickle Cell Day 2024 event aims to unite participants worldwide, emphasizing the global significance of the genetic Sickle Cell disorder.

Elk jaar op 25 juni wordt tijdens Wereld Vitiligo Dag (World Vitiligo Day) aandacht gevraagd voor vitiligo, wereldwijd staan er mensen stil bij de huidaandoening die voorkomt bij 1% van de mensen.

Sclerodermie of systemische sclerose (Engels: (systemic) scleroderma) is een chronische auto-immuunziekte die wordt gerekend tot de reumatische aandoeningen.