The invention provides a method for the diagnosis of regressive behavioral disease (RBD) from a body derived sample, which method comprises performing an assay for persistent measles infection in said sample. The invention also concerns a pharmaceutical composition for the treatment of an MMR virus mediated disease comprising a transfer factor (TF) formed by the dialysis of virus-specific lymphocytes to a molecular weight filter cut-off of 12,500 disposed in a pharmaceutically acceptable carrier or diluent therefore.
Regressive behavioral disorder diagnosis