Answer:
Chickenpox is a very contagious disease. It can be especially serious for babies, adults, and people with weakened immune systems.You may not get chickenpox twice because the virus remains inactive in your nerve tissue. There are also antibodies that treat chickenpox.
Explanation:
I believe your answer is D
Answer:
In my opinion i think fevers are helpful because when we are feeling bad we can test our temperature with a thermometer. Also fevers turn on the body's immune system. So therefore they help the body fight infection.
Explanation:
