Bleach :100. 60 All dialysis surfaces(machines, chairs) bleach 1:10. 80 Large blood spill of blood greater 10 ml Personal protective equipment (PPE) Full shield or mask, gowns , gloves Hepatitis B Patients infected dialyze isolation, have own equipment such as BP cuff and stethoscope , torniquete. etc. Blood test indicate infection with Hepatitis B HbsAg is the test for the hepatitis B antigen this indicates actual viral presence " aggressive " Blood test indicates the presence of immunity against hepatitis B HbsAb "bore" is the test for antibodies indicates presence of immunity against hepatitis B Factors affect the rate of diffusion Concentración gradients,temperature, membrane permeability Hand wash with soap 40-60 seconds