Answer: C. Blisters
When the sores have healed and the skin looks normal again, the virus hides in the nerve cells under the surface of the skin.
Each scientist made an important, but unrelated, contribution. Scientists built on the previous work of other scientists to make new discoveries. Most of the discoveries were made by chance and did not depend on prior knowledge.
Inherited predispositions, Allergies, Age, Gender, and Race.
