title: The challenge of discovering beneficial viruses.
authors.affiliation: Institute of Infectious Diseases, Beijing 302 Hospital, Beijing, PR China.
authors.forename: Hong-Hui
authors.initials: HH
authors.lastname: Shen
mesh_terms: D000818:Animals; D006801:Humans; D013559:Symbiosis; D014777:Virus Diseases / Q000821:virology*; D018406:Virus Physiological Phenomena; D014780:Viruses / Q000145:classification*; D014863:Wasps / Q000821:virology