| Course | PU650 Infectious Disease Epidemiology |
|---|---|
| Unit | Unit 9 |
| Paper type | Outbreak communication |
| Length | About 1,090 words, 6 pages double-spaced |
| Format | APA 7 student paper |
| School | Purdue University Global |
| Program | Master of Public Health (MPH) |
| Updated | October 2026 |
Free sample paper for PU650 Unit 9
What to Do Comes Before What We Know: A Unit 9 Outbreak Communication Package Released the Morning Fifty-Seven Illnesses Were Counted in a Composite County, in Four Formats That Say the Same Three Things
[Student Name]
Purdue University Global
PU650: Infectious Disease Epidemiology
Unit 9 Outbreak Communication
[Instructor Name]
[Date]
Dunmore County, its health department and its counts are composite; the prevention advice, the communication principles and the research cited are real.
Planning Memo
Purpose: to stop further spread while the source is confirmed. Audiences: county residents, especially parents of young children; pool and splash pad operators; clinicians, who receive a separate health alert; and callers to the department's information line. Three messages run through every piece: stay out of pools and splash pads while you have diarrhea and for two weeks after it stops; wash hands with soap and water, because alcohol gel does not reliably kill this parasite; and if you or your child has watery diarrhea lasting several days, ask your clinician to test for Cryptosporidium by name. The package applies the six principles of the federal crisis and emergency risk communication manual, which ask a department to speak early, accurately and credibly, with empathy, a clear call to action and respect for its audience (Centers for Disease Control and Prevention [CDC], 2018). Spanish versions of every piece are prepared by the department's certified translator and checked by a community health worker.
News Release
FOR IMMEDIATE RELEASE, July 18. Dunmore County Health Department. Protect your family from a diarrheal illness spreading in Dunmore County. The Dunmore County Health Department asks residents to take three steps to stop the spread of cryptosporidiosis, a diarrheal illness caused by a parasite:
1. If you or your child has diarrhea, stay out of pools, splash pads and lakes until two weeks after the diarrhea has stopped.
2. Use soap and running water to wash hands after every bathroom trip or diaper change, and before meals. Alcohol hand gel does not work well against this parasite.
3. If you or your child has watery diarrhea lasting more than three days, call your doctor and ask for a Cryptosporidium test.
As of July 18, 57 people in Dunmore County have been reported ill since late June, most of them children. Many people who visited the Harlan Park splash pad have become ill, and the county parks department closed the pad on July 16 for cleaning while the investigation continues. We do not yet know how many people were exposed, or whether the splash pad was the only source. We will share what we learn. "We know how worrying it is when children are sick, and we are grateful to the families who have talked with our investigators," said the county health officer. "The most important thing anyone can do right now is stay out of the water while sick." Cryptosporidiosis causes watery diarrhea, stomach cramps and sometimes vomiting and fever, usually for one to two weeks. Most healthy people recover without treatment. Drink plenty of fluids. Call your doctor if a child seems dehydrated or if anyone in your home has a weakened immune system. The parasite can survive for days in properly chlorinated water, which is why staying out of the water while sick matters so much. Next update: July 21. Information line: 555-0142, open every day from eight in the morning until eight at night, in English and Spanish. The release gives the count with its date, so the larger number in the next update reads as progress in finding cases rather than as a correction.
Social Media Post
Diarrhea illness in Dunmore County: if you are sick with diarrhea, stay out of pools and splash pads until two weeks after it stops. Wash hands with soap and water; hand gel does not work well against this germ. Watery diarrhea for more than three days? Ask your doctor for a Cryptosporidium test. Updates: link. 57 words.
Letter to Pool and Splash Pad Operators
To operators of public pools and interactive water features in Dunmore County. The department is investigating a cryptosporidiosis outbreak associated with a recreational water venue. Please review your fecal incident response procedures today. For a diarrheal fecal incident, close the venue to swimmers, raise free chlorine to 20 parts per million while holding pH at 7.5 or below, and maintain that level for at least 12.75 hours before reopening, a concentration and time chosen because laboratory studies found Cryptosporidium oocysts needed that much chlorine exposure for a thousand-fold reduction in viability (Shields et al., 2008). Then backwash filters to waste. Interactive water features without secondary disinfection such as ultraviolet treatment are at particular risk. Please post signs asking anyone with diarrhea not to enter the water, and call the department at 555-0140 to report any fecal incident, any cluster of illness or any questions.
Call-Line Script, Eight Questions
1. Is it safe to swim? Yes, if you are not sick. Do not swim if you have diarrhea, and wait two weeks after it stops.
2. My child went to the splash pad. Should we see a doctor? Only if your child gets sick. Watch for watery diarrhea in the next two weeks.
3. Is there a treatment? Most people get better on their own. Drink fluids. Your doctor can decide if medicine is needed.
4. Can my child go to day care? Not while they have diarrhea. Ask your day care about returning.
5. Is the drinking water safe? There is no sign of a problem with county tap water. We are checking.
6. Why didn't hand sanitizer protect us? This parasite has a tough shell, and gel does not work well against it. Soap and water does.
7. Who brought it to the splash pad? We do not know, and we will not identify anyone. Anyone can carry this germ without knowing it.
8. When will the splash pad reopen? After cleaning and testing. We will announce it.
Why the Package Is Built This Way
Actions lead because crisis communication research finds that people in an emergency look first for what to do, and that clear, specific actions help restore a sense of control (Reynolds & Seeger, 2005). Numbers come second and always carry a date. Uncertainty is stated rather than hidden. The register shifts by audience: plain, short sentences for residents, technical chlorine figures for operators, and a script that speaks the way callers ask. Each piece names the next update, which reduces rumor by telling people when they will hear more.
References
Centers for Disease Control and Prevention. (2018). Crisis and emergency risk communication (CERC) manual. U.S. Department of Health and Human Services.
Reynolds, B., & Seeger, M. W. (2005). Crisis and emergency risk communication as an integrative model. Journal of Health Communication, 10(1), 43-55. https://doi.org/10.1080/10810730590904571
Shields, J. M., Hill, V. R., Arrowood, M. J., & Beach, M. J. (2008). Inactivation of Cryptosporidium parvum under chlorinated recreational water conditions. Journal of Water and Health, 6(4), 513-520. https://doi.org/10.2166/wh.2008.068
The Purdue Global PU650 Unit 9 instructions
Unit 9 generally asks you to write public communication for an outbreak in progress, often in several formats for different audiences. Identify the audiences and the few actions you most need each to take, and lead with them. Give case counts with dates, describe what is known and say plainly what is not. Express empathy without speculation. Adjust register and detail for technical audiences such as operators or clinicians. Anticipate the questions people will ask, including blame, and answer without identifying anyone. Name when the next update will come. Provide translations where the population needs them. Many prompts ask for a short memo explaining your choices with reference to risk communication principles. Keep each piece as short as its audience will read.
Inside the PU650 Unit 9 example
The package begins with a planning memo naming audiences, the three core messages and the principles behind them. The news release follows in full, opening with three numbered actions, then the dated count, the closure and two plain statements of uncertainty, a quotation from the health officer and the next update. A highlighted line explains why dates protect credibility. The social post repeats the actions in under sixty words. The operator letter shifts to technical language, giving hyperchlorination concentration and time and the reason behind them. The call-line script answers eight questions, including who brought the parasite to the pad. A closing section explains the structure with reference to crisis communication research.
PU650 Unit 9 rubric: what earns full points
Purdue Global communication assignments are usually graded on audience fit and accuracy. Points go to clear, actionable messages placed first, consistent across formats. Credit rewards accurate health information, dated figures and honest statements of uncertainty, since credibility is part of effectiveness. Instructors look for register that changes appropriately between public and technical audiences. Anticipating sensitive questions, such as blame, and handling them respectfully earns marks. Translation and accessibility count where the population calls for them. A rationale grounded in risk communication principles shows the reasoning behind the choices. Concise writing and APA citations in the memo complete the score; long, technical public messages usually lose points.
PU650 Unit 9 help from the desk
Many drafts open with what the department has done rather than what residents should do, burying the actions. Lead with behavior. Another problem is undated numbers, which make later updates look like corrections. Do not overpromise certainty about a source still under investigation. Avoid jargon in public pieces and vagueness in technical ones. Answer blame questions without naming or hinting at individuals. Keep messages consistent across formats, since contradictions breed rumor. Include the next update. If you have an outbreak scenario and the audiences your prompt names, send them and we will write the release, posts, letters and script to match.
Get a PU650 Unit 9 example written to your instructions
Outbreak messages depend on facts only the assignment holds: the pathogen, the counts, the audience and the formats required. Supply those facts; the PU650 Unit 9 prompt and rubric complete the brief. A free first custom sample follows within 24-48 hours, actions first, numbers dated, unknowns stated, and a short memo explaining each choice. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
More PU650 papers and MPH samples
- PU650 Unit 1: Discussion Board Post
- PU650 Unit 2: Transmission Analysis
- PU650 Unit 3: Case Definition Exercise
- PU650 Unit 4: Epidemic Curve Construction
- PU650 Unit 5: Attack Rate Calculation
- PU650 Unit 6: Seminar Reflection
- PU650 Unit 7: Hypothesis Generation Paper
- PU650 Unit 8: Vaccination and Immunity Analysis
- PU650 Unit 10: Outbreak Investigation Report
- PU635 Unit 9: Worker Training Material
- PU615 Unit 9: Reviewer Critique
- PU501 Unit 9: Syringe Services Policy Scan
- PU605 Unit 9: Evaluation Design
PU650 Unit 9 questions, answered
Should the PU650 Unit 9 message name the venue?
Yes, once the department has closed it, because residents need to know which place is involved and a vague reference to a local venue invites rumor about others. The example names the pad and the closure date, says the investigation is ongoing, and avoids calling it the confirmed source until the analysis supports that.
Why include a Spanish version?
Because the composite county's population includes many Spanish-speaking families, and a message that reaches only English readers leaves exposed children unreached. The example writes both versions together so the actions match exactly. A prompt that describes a different community gets versions in the languages that community uses, with a note on how they were checked.
How long should the communication piece be?
Short enough that a worried parent reads to the end, within whatever limit the prompt sets. The release here stays near 450 words and the social post near 60, because readers during an outbreak skim. If a section asks for a single piece, the sample puts the three actions in its first two sentences and the uncertainty in its last paragraph.
Where can I find a free PU650 Unit 9 sample paper?
The full Unit 9 package, with the release, social post, operator letter and call-line script, is available on this page.
Why does hand sanitizer not stop Cryptosporidium?
The parasite has a tough outer wall that alcohol does not reliably penetrate. Washing with soap and running water removes it physically, which is why messages stress handwashing.