title: Biosecurity. U.S. halts two dozen risky virus studies.
authors.forename: Jocelyn
authors.initials: J
authors.lastname: Kaiser
mesh_terms: D000818:Animals; D017934:Coronavirus; D035082:Federal Government; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype; D051379:Mice; D012306:Risk; D012637:Security Measures; D014481:United States; D014773:Virology / Q000191:economics* / Q000639:trends*; D014777:Virus Diseases / Q000517:prevention & control* / Q000635:transmission*