Case Study:

There was a man Named John Black. He was a Marine, and he loved his job. He was Married to his wife Fran and had a daughter named Connie, He house were his wife and child lived was in Arizona, but he was usually working in the Marines.
One day, Him and his friend came home for a month. It was there first night back so they went home and saw there Families, the next day both of there families had a BBQ. They were all having a good time didn't expect anything to happen witch didn't till about three weeks later.
John was getting ready to go back to the Marines. For the first time in a long time he felt like he had to through up, and it was rare for him to do that, he also felt very light headed and thought maybe its was just the thought of going and leaving his family for a period of time again. but the he realized all diffrent types of symptoms and didn't no what was going on.
The Next day before he left to go back to the Marines, he went to see his family doctor. He told the Doctor all the symptoms he was having, and the doctor told him Those were symptoms of Hepatitis A. so the Doctor ran a few tests on him to see if he had Hepatitis A. Indeed he did. He isn't quit sure how he got it.
That day he went home, and his buddy from the Marines called him and told him he was feeling sick, so John asked him what symptoms did he have, the friend told him and he realized how he might of got it.
John took his friend to the doctors and he got checked for hepatitis A too, and he also had early symptoms of hepatitis. But they both didn't understand how they got it, or why the got it. So they asked the doctors of different ways you could easily get the symptoms.
The doctor told them you can get it from a sexual partner, or form eating food that someone else has eaten or drinking of someone else too. the John and his friend Bobby realized that they probably got it from each-other, by eating off one another, or even drinking the same beer.
They got the vaccine and was cured. Now there hepatitis free and they can move on with there lifes.