Dr. William H. Foege states, “vaccines are the tugboats of preventive health.” What do you think Foege meant by this metaphor?

Based on what you learned about the science of vaccinations, why do you think some people value and accept them while others fear an resist them?

the answer is decimated

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."