insulin 12 3.2.1 Strengths of insulin available 19 3.2.2 Types of insulin available 19 3.2.3 Proportion of animal and human insulin used 20 3.3.1 Access to syringes and needles 21 3.3.2 Reasons for lack of access to syringes and needles 22 3.3.3 Provision of syringes and insulin pens free or at su