Scientists Discover New Blood Type 'Guada-negative'

June 24, 2025

Scientists have discovered a new blood type called 'Guada-negative', which is found in only one person on the planet. The discovery was made by accident when routine tests were conducted on a woman from the Caribbean island of Guadeloupe (hence the name of the group) before surgery. It turned out that due to a rare genetic mutation, her blood contained antibodies previously unknown to science, making her the only possible donor for herself.