Scientist developed a vaccine to protect humans from the H1N1 virus which cost 17,000 deaths in 2009. Which of the following persons would most likely contract the H1N1 virus?

A. A person who did not receive the vaccine and has a weekend immune system due to other conditions

B. A person who receive the vaccine and pause and we can immune system due to other conditions

C. A person who did not receive the vaccine but has a normal immune system

D. A person who receive the vaccine and has a normal immune system