Convert Any Blood Group to Type O
CC0 Public Domain, Tiny Fox Lab

In 2018, Canadian researchers discovered how to convert blood types A, B and AB to universal donor O-negative. They found that human gut bacteria makes a class of enzymes which react with the non-O type red blood cells, essentially transforming them into O-negative.Tiny Fox Lab Facts

Preview photo credit: CC0 Public Domain
Source: www.cbc.ca