Below Is an Argument from Analogy in Standard Form

Below is an Argument from Analogy in standard form. In 2 to 4 short paragraphs, do the following:
-First [1 point], suggest what you think is the best candidate for a genuine and morally relevant disanalogy between the cases being compared. "Premise 2 is false because…"
-Second [1 point], test your suggested disanalogy for moral relevance. Be sure to describe your relevance test and explain what it shows.
The argument:
1) Driving a heavily-polluting car is wrong.
2) Refusing for non-medical reasons to vaccinate your child is relevantly similar to driving a heavily-polluting car. So, refusing for non-medical reasons to vaccinate your child is wrong.