Audette, Kirsten C.
(2023)
Conceptual and Computational Representations of Influenza Vaccine Effectiveness.
Master Essay, University of Pittsburgh.
Abstract
Influenza epidemic dynamics are impacted by many factors including transmissibility of the circulating strain, immunity of the population, social distancing behaviors, vaccine efficacy, and other factors. Vaccine efficacy can be broken down into three separate parameters to represent the different effects the vaccine can have on protecting an individual (1) against infection, (2) against symptoms, or (3) against transmitting the infection on to others. Using the University of Pittsburgh-developed agent-based modeling platform FRED “Framework for Reconstructing Epidemiological Dynamics” we simulated influenza epidemics based on the interactions of individual persons and their individual properties and behaviors and explored the effects of vaccines with varying efficacy profiles. The model contains multiple interacting conditions including influenza disease and transmission, residual immunity, waning immunity, and staying at home behaviors, as well as variable vaccine efficacies. To ensure realistic results, the transmissibility of influenza and age specific probabilities of being symptomatic were fit to real- world epidemiological data using parameter sweeps. Pilot runs of the model were then produced with varying assumptions about vaccine efficacy profiles. The outcomes from these simulations have public health relevance because they can help increase understanding of the different components of the vaccine, reconcile outcomes of a season, and guide public policy and effective interventions. Being able to simulate an influenza season is vital in helping inform public health policy and practice.
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Details
| Item Type: |
Other Thesis, Dissertation, or Long Paper
(Master Essay)
|
| Status: |
Unpublished |
| Creators/Authors: |
| Creators | Email | Pitt Username | ORCID  |
|---|
| Audette, Kirsten C. | kca26@pitt.edu | kca26 | |
|
| Contributors: |
| Contribution | Contributors Name | Email | Pitt Username | ORCID |
|---|
| Committee Chair | Burke, Donald | donburke@pitt.edu | donburke | UNSPECIFIED | | Committee Member | Krauland, Mary | mgk8@pitt.edu | mgk8 | UNSPECIFIED | | Committee Member | Zwick, Erin | ezwick16@gmail.com | UNSPECIFIED | UNSPECIFIED |
|
| Date: |
4 January 2023 |
| Date Type: |
Completion |
| Submission Date: |
6 December 2022 |
| Access Restriction: |
2 year -- Restrict access to University of Pittsburgh for a period of 2 years. |
| Number of Pages: |
55 |
| Institution: |
University of Pittsburgh |
| Schools and Programs: |
School of Public Health > Epidemiology |
| Degree: |
MPH - Master of Public Health |
| Thesis Type: |
Master Essay |
| Refereed: |
Yes |
| Uncontrolled Keywords: |
influenza, vaccine, efficacy, effectiveness, agent based modeling |
| Date Deposited: |
04 Jan 2023 14:31 |
| Last Modified: |
04 Jan 2023 14:31 |
| URI: |
http://d-scholarship.pitt.edu/id/eprint/43937 |
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