Although Mattern et al. attempted to explore the possibility that these protozoal viruses could function like bacteriophages, they found no significant changes in Entamoeba histolytica virulence when infected by viruses.
Aínda que Mattern et al. intentaron explorar a posibilidade de que estes virus protozoarios puidesen funcionar como o fan os bacteriófagos, non encontraron cambios significativos na virulencia de E. histolytica cando estaba infectada con estes virus.