In pursuit of safety.
D000056:Accident Prevention; D019411:Clinical Laboratory Techniques; D005818:Genetic Engineering; D006505:Hepatitis / Q000453:epidemiology / Q000517:prevention & control; D006801:Humans; D007757:Laboratory Infection / Q000453:epidemiology / Q000517:prevention & control*; D007878:Legislation as Topic; D012306:Risk; D012449:Safety; D012899:Smallpox / Q000517:prevention & control; D006113:United Kingdom; D014481:United States