The explanationgiven by the medical professionals, politicians, or even just concerned citizens to the parents so that they canunderstand the risks and benefits of vaccines.
Vaccination helped wipe out diseases like measles, mumps, whooping cough, polio, and diphtheria. In the 1940s and 50s before vaccination, these diseases combined together killed almost 7700 individuals. After the vaccination program by 2004, only 27 deaths took place due to all these five diseases that is 99.6% reduction in number.
Sorry about that. What wasn’t helpful?