After clean water and sanitation, vaccines are the technology that has played the largest role in prolonging human lifespans. However, it is estimated that around 10% of the world’s population has Trypanophobia (the phobia of needles). This significantly affects the number of people who will choose to be vaccinated. Also, the World Health Organisation (WHO) estimates that approximately 1.3 million deaths per year are caused by needlestick injury from re-used or unsanitary needles. More…