D589: Chronic and Infectious Diseases

D589 Chronic and Infectious Diseases is a three-unit course in WGU's Bachelor of Science in Public Health, placed in term six of the standard path.

WGU describes it as designed to give students a deep understanding of the major diseases that significantly impact public health, covering epidemiology, pathophysiology, prevention and management of various chronic and infectious diseases.

The course combines science, data and communication. You need to understand how a disease arises and spreads, find reliable data about it in a population, and design a way to educate a community about prevention and control. Learners tend to struggle with choosing trustworthy data and with turning scientific information into plain-language education.

What D589 Covers

Key Concepts Explained

Chronic Versus Infectious Disease

Infectious diseases are caused by agents such as bacteria or viruses and may spread between people. Chronic diseases develop over a long time and are driven by a mix of behavior, environment, genetics and social factors. Some conditions blur the line, so describe the main mechanism clearly.

Levels of Prevention and Control

For infectious disease, control may involve vaccination, hygiene, screening and surveillance. For chronic disease it often involves risk reduction, early detection and management support. Match strategy to disease type.

Reputable Data

Prefer national and international health agencies, state or local health departments and peer-reviewed studies. Record the year, population and method of each figure you cite, because numbers from different sources are often not directly comparable.

Typical Assignments and How to Approach Them

Building a Disease Profile

A one-page profile can feed all three competencies. Record the cause, how it spreads or develops, who is most at risk, the burden in a defined population, and the main prevention and control measures.

Writing a Community Education Strategy

The education strategy should be built for one community. Choose channels they already use, such as clinics, schools, workplaces or local media, and keep messages short and actionable. Include how you would check understanding and whether behavior changed, for example through brief surveys or service uptake figures.

A Short Walkthrough

Take hypertension as a chronic example. Causes and impacts: risk factors such as diet, inactivity and family history, and consequences for heart and kidney health. Data: national health survey figures and state health department reports. Education: a community workshop on blood pressure checks and low-salt cooking.

Now take measles as an infectious example. Causes: a virus that spreads through the air. Data: surveillance reports and immunization coverage. Education: messages on vaccination, symptoms and when to seek care. The contrast shows why control strategies must follow the disease's nature.

Where Students Get Stuck

• Too much science, too little strategy. Balance explanation with an education plan.
• Outdated data. Check dates and update where possible.
• Mixed audiences. Write for one defined community.
• Unclear control measures. Link each action to a stage of the disease process.

Study Tips for D589

• Select one disease early and use it for all three competencies.
• Build a short fact sheet: cause, risk groups, burden, prevention.
• List three data sources and what each does and does not tell you.
• Review basic epidemiology terms such as incidence and prevalence.

How We Help with D589

Send the prompt, rubric and your chosen disease. We can prepare a custom response, help you evaluate sources, or review your draft. See our community health assignment help guide.

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