You are in charge of the investigation regarding possible ex

You are in charge of the investigation regarding possible exposure to Listeria from packaged salad. Read the following and hen answer the questions: On January 27, Dole voluntarily recalled all salad mixes produced in the Springfield, Ohio processing facility. A list of the recalled brands and types of salad mixes, states where they were sold, and instructions on how to identify them are available on the Advice to Consumers page. Three more ill people have been reported from Connecticut, Missouri, and New York. The most recent illness was diagnosed on January 3, 2016. According to the Public Health Agency of Canada, there are seven people in five Canadian provinces infected with the same outbreak strain of Listeria. First of all, complete the epidemiological triangle for this exposure. Can it be Listeria? Explain. Second, Develop a specific case definition for this exposure and then clearly state how you would define a Confirmed case, Probable case, Possible Case and Suspect case. Lastly, how would you gather information regarding the number and location of cases associated with this exposure?

Solution

Listeria is one of the most dangerous disease caused by the contaminated food.

This is the intracellular parasite that can cause infection in central nervous system. Gastrointestitis, perineal infection and infection in central nervous system are the major symptoms of the disease.

(b) :- Confirmed case :- When any disease is found and diagnosed as Listeria, it is called as confirmed case.

Probable case :- any case that is still pending for the diagnosed is called probable case.

Possible case :- Any person having symptoms of diarrhea and vomating is possible case.

Suspect case :- Person having symptoms of headache and stiff neck is called suspect case