Immunization remain the most cost-effective public health tool used globally for the prevention of infectious diseases, disability, death, and inequity globally. For instance, the massive use of oral polio vaccine (OPV) reduced the number of polio cases by 99% worldwide, from more than 350,000 cases in 1988 to 416 cases in 2013; and over 10 million people have escaped paralysis. It has also been shown that measles vaccine averted over 14 million deaths globally since the year 2000.6 Beyond averted illnesses and deaths, vaccines can contribute to the benefit of a country. It generates savings for the country’s health systems and families by averting treatment cost, lost income and productivity loss. Vaccines provide herd immunity in the community
