Answer Happy

2. Hepatitis A is a highly contagious liver infection caused by the hepatitis A virus, it is transmitted through eating contaminated food or water or by poor A usually start appearing about 4 weeks after exposure and develop over a handwashing hygiene through the oral-fecal route. Symptoms of hepatitis vomiting and jaundice. The illness can be mild and last a few weeks or more period of days. Symptoms include fatigue, low appetite, stomach pain, nausea, severe and last for several months. Rarely, the infection can cause death in some people. The illness conveys life-long immunity to the disease. that 109 people recently tested test positive for hepatitis A. To determine The local health department received a report from the community hospital the source of the outbreak, those with hepatitis A were matched with 217 Of those that had hepatitis A, 95 reported drinking a strawberry smoothie at people who did not have hepatitis A, and an outbreak investigation began the local smoothie store in the 4 weeks prior to becoming ill. Of those without hepatitis A, 196 did not have a strawberry smoothie. Complete the following 2 x 2 table with this information. Be sure to properly label your exposure and outcome. a What kind of study is this, and how do you know? b. What is the disease, and what is the exposure? c. What are the odds of exposure among the cases? d. What are the odds of exposure among the controls? e. What is the proper measure of association? Calculate it. Interpret your results in words.