{"id":36713,"date":"2025-08-06T17:42:51","date_gmt":"2025-08-06T12:12:51","guid":{"rendered":"https:\/\/edunovations.com\/currentaffairs\/?p=36713"},"modified":"2025-08-06T17:43:00","modified_gmt":"2025-08-06T12:13:00","slug":"crib-blood-group-discovery","status":"publish","type":"post","link":"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/","title":{"rendered":"CRIB Blood Group Discovery in India: World\u2019s Rarest Blood Type Confirmed by ISBT"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#CRIB_blood_group_discovery_in_India_marks_a_historic_breakthrough_in_immunohematology_Learn_about_the_rarest_blood_group_confirmed_by_ISBT_in_2025_and_its_importance_for_exams_like_UPSC_PSC_Railways_and_Banking\" >CRIB blood group discovery in India marks a historic breakthrough in immunohematology. Learn about the rarest blood group, confirmed by ISBT in 2025, and its importance for exams like UPSC, PSC, Railways, and Banking.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#India_Discovers_Worlds_Rarest_Blood_Group_%E2%80%93_CRIB\" >India Discovers World\u2019s Rarest Blood Group \u2013 CRIB<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Discovery_During_Routine_Surgery\" >Discovery During Routine Surgery<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Identification_of_the_CRIB_Blood_Group\" >Identification of the CRIB Blood Group<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Confirmatory_Testing_and_International_Validation\" >Confirmatory Testing and International Validation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#What_Makes_CRIB_Unique\" >What Makes CRIB Unique<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#National_and_Global_Implications\" >National and Global Implications<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#B_Why_This_News_is_Important\" >B) Why This News is Important<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Relevance_to_Government_Exam_Aspirants\" >Relevance to Government Exam Aspirants<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Implications_for_Healthcare_Policy\" >Implications for Healthcare &amp; Policy<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#C_Historical_Context\" >C) Historical Context<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Background_Blood_Group_Systems_in_India\" >Background: Blood Group Systems in India<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Timeline_of_Events\" >Timeline of Events<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Key_Takeaways_from_CRIB_Discovery\" >Key Takeaways from CRIB Discovery<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Frequently_Asked_Questions_FAQs\" >Frequently Asked Questions (FAQs)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#1_What_is_the_CRIB_blood_group\" >1. What is the CRIB blood group?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#2_How_was_CRIB_discovered\" >2. How was CRIB discovered?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#3_Why_is_this_discovery_important\" >3. Why is this discovery important?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#4_Which_organisation_validated_this_blood_group\" >4. Which organisation validated this blood group?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#5_Which_Indian_lab_was_involved_in_the_discovery\" >5. Which Indian lab was involved in the discovery?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#6_How_does_this_affect_public_healthcare\" >6. How does this affect public healthcare?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#7_Has_India_discovered_any_other_rare_blood_groups\" >7. Has India discovered any other rare blood groups?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#8_What_is_the_Cromer_blood_group_system\" >8. What is the Cromer blood group system?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#9_Can_a_person_live_with_a_CRIB_blood_group\" >9. Can a person live with a CRIB blood group?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#10_What_exams_might_include_this_topic\" >10. What exams might include this topic?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/edunovations.com\/currentaffairs\/national\/crib-blood-group-discovery\/#Some_Important_Current_Affairs_Links\" >Some Important Current Affairs Links<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CRIB_blood_group_discovery_in_India_marks_a_historic_breakthrough_in_immunohematology_Learn_about_the_rarest_blood_group_confirmed_by_ISBT_in_2025_and_its_importance_for_exams_like_UPSC_PSC_Railways_and_Banking\"><\/span><strong>CRIB blood group discovery in India marks a historic breakthrough in immunohematology. Learn about the rarest blood group, confirmed by ISBT in 2025, and its importance for exams like UPSC, PSC, Railways, and Banking.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"India_Discovers_Worlds_Rarest_Blood_Group_%E2%80%93_CRIB\"><\/span>India Discovers World\u2019s Rarest Blood Group \u2013 CRIB<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Discovery_During_Routine_Surgery\"><\/span>Discovery During Routine Surgery<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In early August 2025, a 38\u2011year\u2011old woman from Kolar district, near Bengaluru, underwent a routine cardiac surgery. Despite being typed as O Rh\u2011positive, none of the available O\u2011positive blood units matched her sample. This puzzling <strong>pan\u2011reactive<\/strong> result prompted further investigation at the Rotary Bangalore TTK Blood Centre\u2019s Advanced Immunohematology Reference Laboratory <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Identification_of_the_CRIB_Blood_Group\"><\/span>Identification of the CRIB Blood Group<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Using advanced serological techniques, the team discovered that her blood exhibited a previously unrecorded antigen profile. It did not match any antigen within the 43 recognised blood group systems. The new antigen was subsequently designated <strong>CRIB<\/strong>, and categorised under the <strong>IN\u202fRA (Indian Rare Antigen)<\/strong> system by the International Society of Blood Transfusion (ISBT) <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Confirmatory_Testing_and_International_Validation\"><\/span>Confirmatory Testing and International Validation<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Samples from 20 of her family members failed to provide a compatible donor. The patient underwent surgery without a transfusion under close caution. Her samples were sent to the International Blood Group Reference Laboratory (IBGRL) in Bristol, UK, for definitive confirmation. In June 2025, during the 35th ISBT Congress in Milan, CRIB was officially recognised as a new antigen within the Cromer system <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Makes_CRIB_Unique\"><\/span>What Makes CRIB Unique<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The CRIB blood group is unique due to a <strong>novel antigen<\/strong> within the <strong>Cromer system<\/strong>, associated with Decay\u2011Accelerating Factor (DAF) proteins on red cells. The woman lacked a high\u2011prevalence antigen found in nearly all other people\u2014resulting in universal incompatibility with standard blood units <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"National_and_Global_Implications\"><\/span>National and Global Implications<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This discovery places India at the frontier of rare blood research. For healthcare systems, it highlights the need to expand rare blood donor registries, establish specialised testing protocols, and organise emergency strategies for individuals with ultra\u2011rare blood profiles. The findings also benefit management of Hemolytic Disease of Fetus and Newborn (HDFN), prenatal diagnostics, and transfusion safety globally <\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\" id=\"CRIB-blood-group-discovery\"><img decoding=\"async\" src=\"https:\/\/akm-img-a-in.tosshub.com\/indiatoday\/images\/story\/202507\/crib-blood-group-313622894-16x9.jpg?VersionId=arziAympr.dOLskLs5SUz_LFrCizasPL?size=1280:720\" alt=\"CRIB blood group discovery\" title=\"CRIB blood group discovery\"\/><figcaption class=\"wp-element-caption\">CRIB blood group discovery<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"B_Why_This_News_is_Important\"><\/span>B) Why This News is Important<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Relevance_to_Government_Exam_Aspirants\"><\/span>Relevance to Government Exam Aspirants<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This news is highly significant for students preparing for <strong>defence, civil services (like PCS or IAS), railway, banking, teacher recruitment, and police exams<\/strong>, especially under the General Science and Healthcare current affairs section. Policy\u2011making and healthcare reforms often prioritise discoveries like this to strengthen national health infrastructure and rare disease protocols.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Implications_for_Healthcare_Policy\"><\/span>Implications for Healthcare &amp; Policy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The CRIB blood group discovery underscores the urgency for <strong>policy support in rare\u2011donor registries and advanced immunohematology<\/strong>. Government healthcare schemes and preparedness programs need updating\u2014whether under National Blood Transfusion Services or biosafety councils\u2014making this highly relevant for questions on recent healthcare policy developments.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"C_Historical_Context\"><\/span>C) Historical Context<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Background_Blood_Group_Systems_in_India\"><\/span>Background: Blood Group Systems in India<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">India has been a prominent contributor to rare blood antigen research. In 2022, the ISBT officially recognised the <strong>INRA (Indian Rare Antigen)<\/strong> system, first identified in an Indian woman. The discovery of CRIB adds another layer to this legacy of rare blood\u2011group research from India <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Timeline_of_Events\"><\/span>Timeline of Events<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>2022<\/strong>: ISBT recognises INRA system.<\/li>\n\n\n\n<li><strong>July 2025<\/strong>: During pre\u2011operative tests in Kolar, incompatibility is discovered.<\/li>\n\n\n\n<li><strong>June 2025<\/strong>: ISBT Congress in Milan officially recognises CRIB antigen<\/li>\n\n\n\n<li><strong>August 2025<\/strong>: Indian doctors and UK lab collaborations confirm India as site of world\u2019s rarest blood group discovery.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Takeaways_from_CRIB_Discovery\"><\/span>Key Takeaways from CRIB Discovery<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>S. No.<\/th><th>Key Takeaway<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>CRIB is a newly recognised, globally ultra\u2011rare blood group antigen identified in a 38\u2011year\u2011old woman from Kolar, Karnataka.<\/td><\/tr><tr><td>2<\/td><td>The antigen belongs to the Cromer blood group system and lacks a prevalent antigen found in nearly all people.<\/td><\/tr><tr><td>3<\/td><td>CRIB was confirmed via advanced serology at Rotary Bangalore TTK Blood Centre and validated by IBGRL (UK) and ISBT in June 2025.<\/td><\/tr><tr><td>4<\/td><td>No compatible donor was found even among 20 relatives; surgery was performed without transfusion.<\/td><\/tr><tr><td>5<\/td><td>The finding underlines policy implications: need for rare\u2011donor registries, improved genetic screening, and preparedness in transfusion medicine.<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">CRIB blood group discovery<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_FAQs\"><\/span><strong>Frequently Asked Questions (FAQs)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_What_is_the_CRIB_blood_group\"><\/span>1. What is the CRIB blood group?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRIB is an ultra-rare blood group antigen discovered in a woman from Kolar, Karnataka. It is part of the Cromer blood group system and lacks a common antigen found in nearly all human blood types.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_How_was_CRIB_discovered\"><\/span>2. How was CRIB discovered?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CRIB was discovered during routine pre-operative blood tests when all available blood units showed incompatibility, prompting advanced serological analysis.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Why_is_this_discovery_important\"><\/span>3. Why is this discovery important?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It has implications for national blood transfusion policies, emergency preparedness for rare antigen carriers, and genetic screening programs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Which_organisation_validated_this_blood_group\"><\/span>4. Which organisation validated this blood group?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The International Blood Group Reference Laboratory (IBGRL), UK, confirmed the antigen, and the International Society of Blood Transfusion (ISBT) officially recognised it in June 2025.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Which_Indian_lab_was_involved_in_the_discovery\"><\/span>5. Which Indian lab was involved in the discovery?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The Rotary Bangalore TTK Blood Centre\u2019s Advanced Immunohematology Reference Lab played a key role in identifying and confirming the rare blood antigen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_How_does_this_affect_public_healthcare\"><\/span>6. How does this affect public healthcare?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It shows the urgent need for rare-donor registries and can improve diagnosis and treatment for Hemolytic Disease of the Fetus and Newborn (HDFN).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Has_India_discovered_any_other_rare_blood_groups\"><\/span>7. Has India discovered any other rare blood groups?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. In 2022, the Indian Rare Antigen (INRA) system was also recognised by the ISBT.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_What_is_the_Cromer_blood_group_system\"><\/span>8. What is the Cromer blood group system?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">It is a lesser-known blood group system related to the Decay-Accelerating Factor (DAF) proteins on red blood cells, of which CRIB is now a new member.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_Can_a_person_live_with_a_CRIB_blood_group\"><\/span>9. Can a person live with a CRIB blood group?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yes, but it poses critical challenges during surgeries or accidents due to extreme blood incompatibility with regular donors.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_What_exams_might_include_this_topic\"><\/span>10. What exams might include this topic?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This topic is relevant for General Science or Current Affairs sections in exams like UPSC, SSC CGL, RRB NTPC, Banking, CDS, State PSCs, and teacher recruitment exams.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Some_Important_Current_Affairs_Links\"><\/span>Some Important Current Affairs Links<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/national\/\" target=\"_blank\" rel=\"noreferrer noopener\">State Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/sports\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sports Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--3\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/international\/\" target=\"_blank\" rel=\"noreferrer noopener\">International Current Affairs<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/banking\/\" target=\"_blank\" rel=\"noreferrer noopener\">Banking Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/railway\/\" target=\"_blank\" rel=\"noreferrer noopener\">Railways Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/defence\/\" target=\"_blank\" rel=\"noreferrer noopener\">Defence Current Affairs<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--4\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs?newsmaticargs=custom&amp;posts=today\" target=\"_blank\" rel=\"noreferrer noopener\">Daily Current Affairs<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--5\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairsinhindi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Current Affairs In Hindi<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-outline is-style-outline--6\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/edunovations.com\/currentaffairs\/category\/news-and-notifications\/\" target=\"_blank\" rel=\"noreferrer noopener\">News and Notifications<\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.edunovations.quiz\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/03\/Banner-current-affairs-2-1.jpg\" alt=\"Download this App for Daily Current Affairs MCQ&#039;s\" class=\"wp-image-247\" title=\"\" srcset=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/03\/Banner-current-affairs-2-1.jpg 900w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/03\/Banner-current-affairs-2-1-300x50.jpg 300w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/03\/Banner-current-affairs-2-1-768x128.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">Download this App for Daily Current Affairs MCQ&#8217;s<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\" id=\"News-Website-Development-Company\"><a href=\"https:\/\/www.martindiainfotech.com\/\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" width=\"900\" height=\"150\" src=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner.png\" alt=\"News Website Development Company\" class=\"wp-image-438\" title=\"News Website Development Company\" srcset=\"https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner.png 900w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner-300x50.png 300w, https:\/\/edunovations.com\/currentaffairs\/wp-content\/uploads\/2023\/04\/News-Website-Development-Company-Banner-768x128.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">News Website Development Company<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>CRIB blood group discovery in India marks a historic breakthrough in immunohematology. Learn about the rarest blood group, confirmed by ISBT in 2025, and its importance for exams like UPSC, PSC, Railways, and Banking. India Discovers World\u2019s Rarest Blood Group \u2013 CRIB Discovery During Routine Surgery In early August 2025, a 38\u2011year\u2011old woman from Kolar&#8230;<\/p>\n","protected":false},"author":6,"featured_media":36745,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,158],"tags":[26075,26077,26074,26078,26080,26076],"class_list":["post-36713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national","category-research_invention_discovery","tag-crib-blood-group","tag-immunohematology","tag-india-medical-discovery","tag-isbt","tag-rare-blood-groups","tag-transfusion-medicine"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/posts\/36713","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/comments?post=36713"}],"version-history":[{"count":2,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/posts\/36713\/revisions"}],"predecessor-version":[{"id":36746,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/posts\/36713\/revisions\/36746"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/media\/36745"}],"wp:attachment":[{"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/media?parent=36713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/categories?post=36713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edunovations.com\/currentaffairs\/wp-json\/wp\/v2\/tags?post=36713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}