CPH (Other exams) case studies
CPH · Put your knowledge to work in context.
The Certified in Public Health (CPH) is a professional credential administered by the National Board of Public Health Examiners (NBPHE), an organization created to credential the public health workforce. NBPHE describes the CPH as the only credential of its kind for public health professionals, demonstrating both knowledge of key public health sciences and a commitment to continuing education focused on emerging and established public health issues. The CPH case studies are 4 cases and about 2,817 words.
1Interpreting a Screening Program's Yield in a Mid-Sized County
A county health department launches a one-time diabetes screening at 12 community pharmacies over 6 weeks. Staff use a random capillary glucose threshold of 140 mg/dL (non-fasting) and refer anyone above it for confirmatory testing.
644 words, about 3 min2A Gastrointestinal Illness Cluster After a Church Potluck
On a Monday, a rural health department receives three calls about vomiting and diarrhea among people who attended a Saturday church potluck (~180 attendees). By Wednesday, 47 attendees report illness (vomiting in 41, diarrhea in 30, median onset 28 hours after the meal, range 4–60 hours).
791 words, about 4 min3A School District Asks for a Vaping Policy - Evidence and Politics
A suburban school district (14,000 students, grades 6–12) reports that 22% of high school students self-report past-30-day e-cigarette use on an anonymous survey, up from 11% three years ago. The superintendent proposes a policy banning all nicotine and cannabis vaping products on campus and at school events, with suspension for a first offense.
662 words, about 3 min4Deciding Whether to Recommend a New Vaccine in a Low-Resource Setting
A national immunization advisory group must decide whether to add a new vaccine to the routine schedule for infants. A randomized trial in a similar country showed 70% efficacy against severe disease over 12 months, with a number needed to vaccinate of about 400 to prevent one severe case.
720 words, about 4 min