Please answer the following question: When Emily was 4 years old she came down with a case of the chicken pox. She is now 14 and her younger brother Victor has now caught the chicken pox from another child at school. Emily opts to stay home and take care of him. Given a person has never had the chicken pox or developed an immunity, will their chances of catching the checken pox from someone who has it increase or decrease?
Answer:
increase