title: Viruses using their powers for good.
mesh_terms: D000818:Animals; D015536:Down-Regulation; D005260:Female; D018390:Gene Targeting; D005814:Genes, Viral; D005822:Genetic Vectors; D016086:Lentivirus / Q000235:genetics*; D051379:Mice; D018345:Mice, Knockout / Q000235:genetics; D008822:Mice, Transgenic; D034741:RNA, Small Interfering / Q000235:genetics; D012367:RNA, Viral
chemical_list: D034741:RNA, Small Interfering; D012367:RNA, Viral