The graph gives the number of varicella (chicken pox) cases between 1972 and 2011. Varicella is an Infectious disease caused by a virus. The
disease causes rash, itching, and fever in patients. The varicella vaccine was introduced in 1995. What can you conclude about the vaccine?
Vancella (Chickenpox) Cases
1972-2011
250 000 +
200 000+
The vancella vaccine was
introduced in 1995
150.000
Cases of Varicella
100 000 +
-
cases of vancella
50 000 +
1967)
13
[0366
0961
1998]
1991
L000
2001]
20021
2003
20041
20051
2007
2001
20097
20107
Year
A.
It was successful in eradicating chicken pox from the United States.
B.
It had no effect on the rate of chicken pox cases in the United States
C.
It caused a 10% decrease in the number of chicken pox cases in the United States from 1995 to 2011
D.
It initially caused a large drop in Chicken pox cases in the United States and the rate continues to decrease

The answer to the question is

D. It initially caused a large drop in chicken pox cases in the united states and the rate continues to decrease.

Explanation:

1: the largest region of the brain is the:

  cerebrum

2. the term "psychology" literally means:

the process or procedure of the science or study of the mind.

3. the area of the brain responsible for respiration, heart rate, and smooth muscle control of our blood vessels is t

medulla oblongata

4. the structure that conducts nerve impulses to and from the brain and serves as a reflex center for some sensory information without input from the brain is the:

spinal cord

5. the three-layered membrane that covers the brain and spinal cord and literally means membrane is called the:

meninges

6. the cord-like (string-like) structures that carry bio-electrical impulses from one part of the body to another are called

nerves

7. a group of nerve cell bodies that are found outside of the spinal cord and brain are referred to as:

ganglions or ganglia (pl.) “literal meaning knot”

8. the term that means spinal cord inflammation is:

myel/itis