Microbiology Subacute sclerosing panencephalitis virus (SSPE) is best described by which of the following statements? A It is a progressive disease involving both white and gray matter B It is a late CNS manifestation of mumps C It is a common event occurring in 1 of 300,000 cases of mumps D Viral DNA can be demonstrated in brain cells 💡 Explanation Subacute sclerosing panencephalitis virus (SSPE) is best described by which of the following statements? ✓ Correct Answer: A. It is a progressive disease involving both white and gray matter