Task: Sentence Expansion
Input (English): The Epstein – Barr virus ( EBV ) , also called human herpesvirus 4 ( HHV-4 ) , is one of eight viruses in the herpes family .
Output (English): The Epstein – Barr virus ( EBV , sometimes abbreviated as EPV ) , formally called Human gammaherpesvirus 4 , is one of eight known human herpesvirus types in the herpes family , and is one of the most common viruses in humans .