Related Experiment Video
Updated: Jul 3, 2026

09:32
Oral Bacterial Infection and Shedding in Drosophila melanogaster
Published on: May 31, 2018
The Philadelphia High-School STD Screening Program: key insights from dynamic transmission modeling.
David N Fisman1, C Victor Spain, Melinda E Salmon
1Research Institute of the Hospital for Sick Children, Toronto, Ontario, Canada. david.fisman@sickkids.ca
Sexually Transmitted Diseases
|July 9, 2008
Summary
Screening high school students for Chlamydia trachomatis is cost-effective. Including males in the Philadelphia high-school STD Screening Program (PHSSP) improves effectiveness and economic attractiveness, reducing overall disease burden.
Area of Science:
- Public Health
- Epidemiology
- Health Economics
Background:
- The Philadelphia high-school STD Screening Program (PHSSP) has reduced Chlamydia trachomatis prevalence in females.
- The program's cost-effectiveness, particularly with male inclusion, requires assessment.
Purpose of the Study:
- To evaluate the cost-effectiveness of the PHSSP.
- To quantify the impact of including male students in screening.
Main Methods:
- A dynamic transmission model (susceptible-infectious-resistant-susceptible framework) was utilized.
- The model was parameterized with PHSSP data and literature findings.
- Projections included disease burden, quality-adjusted survival, and costs.
Main Results:
- High-school screening is highly cost-effective in Philadelphia.
- Including males enhances program effectiveness and economic attractiveness.
- Increased screening coverage decreases net societal costs due to reduced transmission.
Conclusions:
- The PHSSP is highly cost-effective compared to other interventions.
- Involving males significantly boosts the program's effectiveness and cost-effectiveness.
- Dynamic transmission modeling is crucial for evaluating such public health programs.
Related Concept Videos
Steps in Outbreak Investigation
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
Principles of Disease Surveillance
Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
Sexually Transmitted Infections
Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
