Dr. Bess agreed that "...you can come to the conclusion from gel electrophoresis patterns that there are only quantitative differences between HIV and [cellular] microvesicles", that is, between cellular proteins and HIV proteins.

In conclusion, there is ample evidence that the proteins used in the HIV antibody tests are not proteins belonging to a unique retrovirus HIV but are in fact all cellular proteins.

Let’s now briefly look at the Western blot antibody test.