title: Freeze on mutant-flu research set to thaw.
authors: Declan
authors: D
authors: Butler
mesh_terms: D000818:Animals; D055885:Biohazard Release / Q000517:prevention & control / Q000639:trends; D023482:Bioterrorism / Q000517:prevention & control* / Q000639:trends; D001717:Birds / Q000821:virology; D005289:Ferrets / Q000821:virology*; D005818:Genetic Engineering; D017408:Guidelines as Topic; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype / Q000235:genetics* / Q000472:pathogenicity*; D007251:Influenza, Human / Q000453:epidemiology / Q000635:transmission / Q000821:virology; D017720:Molecular Epidemiology / Q000379:methods; D009154:Mutation / Q000235:genetics*; D011159:Population Surveillance / Q000379:methods; D011643:Publishing / Q000639:trends*; D012637:Security Measures; D014944:World Health Organization