Landmark study: How Australia’s blood types are changing

An increasingly 'positive' population may be challenging for supply of RhD-negative red blood cells, researchers say
O-neg blood

Changes in the prevalence of certain blood types in Australia may make it increasingly challenging to find RhD-negative blood donors, the national blood supplier says.

In the first analysis of the distribution of blood groups for nearly 30 years, the Australian Red Cross Lifeblood notes the proportion of people with RhD-positive blood has risen in line with changing demographics as a result of immigration.