Aaleah Lancaster
Freelance Digital Artist
Bachelor of Science - BS
Mathematics
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Bennett College
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Typhoid fever has long established itself endemically in rural Ghana despite the availability of cheap and effective vaccines. We used a game-theoretic model to investigate whether the low vaccination coverage in Ghana could be attributed to rational human behaviour. We adopted a version of an epidemiological model of typhoid fever dynamics, which accounted not only for chronic life-long
carriers but also for a short-cycle transmission in the immediate environment and a long-cycle transmission via contamination of the water supply. We calibrated the model parameters based on the known incidence data. We found that unless the (perceived) cost of vaccination is negligible, the individually optimal population vaccination rate falls significantly short of the societally optimal population vaccination rate needed to reach herd immunity. We expressed both the herd immunity and the optimal equilibrium vaccination rates in terms of only a few observable parameters such as the incidence rate, demographics, vaccine waning rate and the perceived cost of vaccination relative to the cost of infection. This allowed us not to rely on other uncertain epidemiological model parameters and, in particular, to bypass uncertainties about the role of the carriers in the transmission.
High endemic levels of typhoid fever in rural areas of Ghana may stem from optimal voluntary vaccination behaviour
The Royal Society Publishing
https://royalsocietypublishing.org/doi/10.1098/rspa.2020.0354
African sleeping sickness is a vector-borne disease caused by the parasite Trypanosoma brucei. It is transmitted by tsetse flies and one of the most effective strategies to combat the disease is the use of insecticide-treated cattle (ITC). In this paper, we present a game-theoretical model, in which individual farmers choose their own level of ITC in order to maximize their own benefits, effectively balancing the cost of ITC and the risk of their cows contracting the disease. We find that even when the usage of ITC is strictly voluntary, the optimal ITC usage will eliminate the disease when the cost of ITC is not prohibitively large. This is in a sharp contrast with similar scenarios of vaccination games where a voluntary vaccination never eliminates a disease entirely.
A voluntary use of insecticide-treated cattle can eliminate African sleeping sickness
Letters in BioMathematics
https://www.tandfonline.com/doi/abs/10.1080/23737867.2015.1111777
https://www.linkedin.com/in/carla-adams-79219912
Danville, VA
Carla Adams
Registered Nurse
https://www.linkedin.com/in/caitlin-noppenberger-b20743165
New York, NY
Caitlin Noppenberger
Record Technician at Canon Business Process Services
https://www.linkedin.com/in/gabrielle-gravely-3329b8119
Martinsville, VA
Gabrielle Gravely
Clinical Psychology Doctoral Student, Virginia Consortium Program in Clinical Psychology
https://www.linkedin.com/in/angela-robinson-1a5894184
San Francisco Bay Area
Angela Robinson
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https://www.linkedin.com/in/alyxandra-reid-a06562125
Charlotte Metro
Alyxandra Reid
Library Associate at Charlotte Mecklenburg Library
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Metro Jacksonville
Lauren Carroll
Executive Administrator at The Freedom Church of Jacksonville
https://www.linkedin.com/in/jacquelyn-blake-1b0069161
Greensboro, NC
Jacquelyn Blake
Assistant Youth Director at St Marys Episcopal Church
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Carrboro, NC
David Salvesen
Former Deputy Director, Center for Sustainable Community Design at University of North Carolina, Institute for the Environment
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Charlotte, NC
Aisha Carr
Sales
https://www.linkedin.com/in/connor-harrison-2aa649123
Charlotte, NC
Connor Harrison
Video Producer
https://www.linkedin.com/in/calaya-crockett
Charlotte, NC
Calaya Crockett
Help Desk Coordinator at Charlotte-Mecklenburg Schools
https://www.linkedin.com/in/angie-groves-a7698549
Los Angeles Metropolitan Area
Angie Groves
Assistant Principal at Willamette Connections Academy
https://www.linkedin.com/in/bria-holman-4888b265
Baltimore, MD
Bria Holman
Cash Management Analyst at CTG
https://www.linkedin.com/in/jacqueline-windley-b373a3a9
Silver Spring, MD
Jacqueline Windley
Business Management Consultant
https://www.linkedin.com/in/bishop-battle-877287146
United States
Bishop Battle
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https://www.linkedin.com/in/meckcommish
Matthews, NC
William F James, Jr
Retired Elected Official
https://www.linkedin.com/in/lapresha-whitfield-467463192
Greensboro--Winston-Salem--High Point Area
Lapresha Whitfield
Student at Bennett College
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Sending everyone positive affirmations as you prepare for the rest of your work week.
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Last year, I was cleaning floors and public restrooms. As of today, I have multiple Financial Advising job offers from Fortune 500 companies. This is…
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“I am humbled to be the first woman in my immediate family to graduate college.”Maya S Rhodes is the Purchasing Administrator. Rhodes's story is our…
Indian Events Planning/Marketing/Jobs : COVID combat
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Bennett College Professional Network
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