Easier blood application. ACCU CHEK Aviva diabetes test strips quickly attract and absorb a tiny blood drop. The wide mouth dosing area is designed so you can fill the strip on the very first try. Small blood sample. You need just 0.6 microliter of blood. Easy strip handling. A larger wider strip is easy to use for people of all ages. Confident testing. The eight electrodes at the top of each strip work with the meter technology to help the system detect and prevent unreliable results.