Which of the following is a big foodborne illness?

Salmonella is recognized as a significant foodborne illness caused by a type of bacteria that can lead to symptoms such as diarrhea, fever, and abdominal cramps. It is commonly transmitted through the consumption of contaminated food, especially undercooked poultry, eggs, and unpasteurized milk. Understanding foodborne illnesses like Salmonella is crucial for public health and food safety, as they can lead to widespread outbreaks and serious health issues in affected individuals.

The other options presented do not fall under the category of foodborne illnesses. Asthma is a chronic respiratory condition, the flu is a viral respiratory infection, and diabetes is a metabolic disorder related to insulin and blood sugar regulation. None of these conditions are transmitted through food.