History, 16.12.2020 21:10, cookiee835

Read the following paragraph from the section "What Is A Vaccine And How Does It Create Immunity?" The chicken pox is a good example of the two ways immunity can happen. Many years ago,
people could only develop immunity by first getting sick with chicken pox. If they recovered from
the disease, they would not get chicken pox again. Today, however, there is a vaccine that helps
give people immunity against it so that they don't need to get sick at all.

What conclusion is BEST supported by the paragraph above?. Single choice.
(1 Point)
Many people get the chicken pox but do not recover.
It takes a long time to develop vaccines that create immunity.
Fewer people get sick with the chicken pox now than in the past.
There are some diseases for which scientists have not yet developed a vaccine.

Answers: 2

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Read the following paragraph from the section "What Is A Vaccine And How Does It Create Immunity?"...