Two steps reduced human deaths and improved survival significantly. First one was hygiene with good safe drinking water and second was immunisation. That would tell you what we have achieved!

Any issue will always have any number of opinions. Most of the material on the net is not always medically authenticated.A vaccine is almost similar to a mediclaim policy. If at 90 years, if a few people write that it is a waste of money since they never got sick or required hospitalization, can everyone else safely consider it unnecessary? At the end of the day, it's your call and effort for your child's safety.

There are always two school of thoughts but vaccinations r important as I know small pox polio have eradicated from world due to vaccination only.