How should you advise someone debating the pros & cons of immunising their children?

Cite fact: Preventable deaths due to whooping cough in the year 2010 are roughly 30, most of them under the age of 6 months, deaths due to the dtap during the same period = zero. If he/she believes their kids don't need shots if other kids get them, realize someone can arrive from overseas & be at your mall/supermarket spreading the disease the next day.

Protection/SideEffec: PROS It protects children against several deadly and Morbid Disease like Polio.Diptheria,Teatanus,Measles,Meningitis and many others.By preventing these diseases we don't only save lives but prevent life long Morbid conditions like Deafness,Paralysis,Brain Damage and Cerebral Palsy etc Cons Rarely some children and Adults may get unpleasant side effects like fever,rash,Allergic Reaction,Anaphylaxi