Read the following central idea statements.
1. A microarray patch could be
used to administer vaccines
without the use of a traditional
needle.
2. The polio vaccine was
administered without needles for
many years in Australia.
3. DNA-based "jet-spray." devices
could eliminate the use of
needles in modern vaccines.
4. Fear of needles can lead to an
overall reduction in the number of
people who receive vaccinations.
Which two options MOST accurately reflect the
