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Scientists have discovered how to convert type A and B blood into universal donor type O | World Economic Forum
![Universal blood for transfusion could be created by hydrogel 'camouflage' | Research | Chemistry World Universal blood for transfusion could be created by hydrogel 'camouflage' | Research | Chemistry World](https://d2cbg94ubxgsnp.cloudfront.net/Pictures/480x270/0/3/4/504034_gettyimages559007831_491711.jpg)
Universal blood for transfusion could be created by hydrogel 'camouflage' | Research | Chemistry World
American Red Cross Blood Donors - BLOOD TYPES - 🅰️🅱️🆎🅾️ Do you need to know yours to give? No. Do we tell you after you make your first donation? Yes. Do you
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