One of the greatest innovations in health care has been the development of vaccines and immunization programs that have significantly minimized the morbidity and mortality resulting from vaccine preventable diseases. While vaccines were traditionally used against infectious diseases, recent advances in technology have led to the development of vaccines for noncommunicable diseases and chronic conditions. Vaccinations are considered the most cost-effective intervention in public health that has the potential to save millions of lives every year. Despite the availability and effectiveness of vaccines for many diseases, immunization programs, and service uptake remain underused in many countries. This is mainly because of the lack of easy access to vaccinations, risk-benefit perceptions, false beliefs, and concerns about the side effects. Vaccine hesitancy-the reluctance or refusal to vaccinate, is listed as one of the top 10 threats to global health.