Spermatogenic Failure 2, also known as spgf2, is related to spermatogenic failure, y-linked, 2 and spermatogenic failure, x-linked, 2. An important gene associated with Spermatogenic Failure 2 is MSH4 (MutS Homolog 4), and among its related pathways/superpathways is Influenza Infection. Related phenotypes are male infertility and non-obstructive azoospermia