TNPSC Thervupettagam

Gwada Negative blood group

June 26 , 2025 13 hrs 0 min 12 0
  • France has identified a completely new blood group system.
  • It is now officially recognised by the International Society of Blood Transfusion (ISBT).
  • It is named EMM-negative and colloquially dubbed “Gwada negative”.
  • The newly classified blood group system, officially registered by ISBT as ISBT042.
  • It is defined by the absence of the EMM antigen.
  • EMM antigen is normally found on the red blood cells and is considered a high-incidence antigen.

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