Describe three factors that influence the occurrence of disease for a Salmonella foodborne outbreak. Health and medical homework help

According to the epidemiologic triad, there are three factors that influence the occurrence of disease:

  • Etiologic agent
  • Host factors
  • Environmental factors

Describe each of these factors for a Salmonella foodborne outbreak. What are some of the host factors that can influence the occurrence of a disease?

Be sure to support your essay with evidence from the literature

Centers for Disease Control and Prevention. Salmonellosis. Technical Information. Retrieved on 10/1/13 from

Expert Solution Preview

Introduction: The epidemiologic triad is a framework used to understand the factors that contribute to the occurrence and spread of diseases. This concept is particularly useful in the study of infectious diseases such as the Salmonella foodborne outbreak, which is often caused by the consumption of contaminated food and water.

Etiologic agent: The etiologic agent in the Salmonella foodborne outbreak is the Salmonella bacterium. This bacterium is commonly found in the intestines of animals and humans and can cause illness when contaminated food is consumed. Salmonella is a gram-negative bacterium that can produce symptoms such as diarrhea, fever, and abdominal cramps.

Host factors: Host factors that can influence the occurrence of a disease include age, immune status, and underlying medical conditions. In the case of the Salmonella foodborne outbreak, individuals who are immunocompromised or have pre-existing medical conditions such as inflammatory bowel disease are more susceptible to the infection. Additionally, the age of the host can play a role, as young children and the elderly may be more vulnerable to the effects of the infection.

Environmental factors: Environmental factors that can contribute to the occurrence of the Salmonella foodborne outbreak include contaminated food and water sources. Salmonella can survive in a variety of environments, including soil, water, and animal feces. When contaminated food is consumed, the bacteria can cause illness in the host.

In conclusion, the epidemiologic triad provides a framework for understanding the factors that contribute to the occurrence and spread of diseases such as the Salmonella foodborne outbreak. The etiologic agent, host factors, and environmental factors all play a role in the development and transmission of this infection. By understanding these factors, healthcare professionals can work to prevent and treat outbreaks of infectious diseases.

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