sentence: Here , we conducted a comprehensive review of 127 peer-reviewed publications , to critically evaluate the effectiveness of several viral indicators of wastewater pollution , including common enteric viruses ( mastadenoviruses , polyomaviruses , and Aichi viruses ) , the pepper mild mottle virus ( PMMoV ) , and gut-associated bacteriophages ( Type II / III FRNA phages and phages infecting human Bacteroides species , including crAssphage ) .