1. Infected needles
2. Insect bite
3. Organ transplant
4. Blood transfusion
<span>The Pharmacist are the best person to explain
how a pharmaceutical drug works for they are known to be drug experts. They are
essential part of the healthcare system because they supply medicines in accordance
with a prescription as to heal the patient, do counselling of patients at the time of dispensing of
prescription and non-prescription drugs, provide drug information to other health
professionals, patients and the public and they actively participate in
health-promotion programs. </span>
Therefore, there expertise is indispensable in the healthcare system.
