Which of the following pathogens causes the most illness in the United States?

A. Salmonella
B. Clostridium perfringens
C. Staphylococcus aureus
D. Norovirus



Answer :

Final answer:

Salmonella and other common pathogens like norovirus, Clostridium perfringens, and Staphylococcus aureus cause foodborne illnesses in the US. Salmonella is particularly concerning due to its potential deadliness. Various bacterial pathogens significantly impact gastrointestinal health.


Explanation:

Salmonella, along with other common pathogens like norovirus, Clostridium perfringens, and Staphylococcus aureus, causes a significant number of foodborne illnesses in the United States. However, despite causing fewer cases, norovirus is known to cause more illness due to its high contagion rate.

The foodborne pathogens are mainly bacteria, viruses, parasites, and prions. Among these, Salmonella species are particularly concerning as they are the pathogens most likely to be deadly when present in contaminated food.

In the gastrointestinal tract, major causes of illness include various bacteria such as Salmonella spp., Staphylococcus spp., Clostridium perfringens, and Clostridium difficile, further emphasizing the impact of these pathogens on human health.


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