00315    a2200097   4500082001600000245008400016260002800100300001500128650001700143650005700160  a614.48bWHO  aWHO infection  control guidelines for transmissible spongiform encephalopathies  aGenevabWHOc2000g2000  a36p.c30cm  aDisinfection  aIncidence of and public measures to prevent diseases