Being afraid of what you dont understand is instilled to us by our own evolution. We lived tens of thousands of years in a state where unfamiliar berry or strange animal could mean death.

But you are right. School system sould be better in explaining what vaccines do and how they work and society should be better shooting misinformation down.

Also instead of ridiculing the antivacciners people should try to be polite and try to help them understand what vaccines are. Being hostile or condesending just makes people to withdraw in to their own safe belives