Is Gerstmann–Sträussler–Scheinker syndrome (GSS) transmittable by blood?

Recently, a family member of mine has died from the inherited prion disease Gerstmann–Sträussler–Scheinker syndrome (GSS). From what I could find out on Wikipedia, GSS is classed as a transmissible spongiform encephalopathy and that it may be transmitted via blood transfusions.

I used to donate blood but ceased doing so when I discovered that my grandfather supposedly died of CJD (now believed to be a misdiagnosed case of GSS).

My question is this; if I have the disease, does that mean the people who were given my blood may now also have the disease?

Any feedback is appreciated.