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Volume 29, Number 2—February 2023
Research

Age-Stratified Model to Assess Health Outcomes of COVID-19 Vaccination Strategies, Ghana

Sylvia K. Ofori, Jessica S. Schwind, Kelly L. Sullivan, Gerardo Chowell, Benjamin J. Cowling, and Isaac Chun-Hai FungComments to Author 
Author affiliations: Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA (S.K. Ofori); Georgia Southern University Jiann-Ping Hsu College of Public Health, Statesboro, Georgia, USA (S.K. Ofori, K.L. Sullivan, I.C.-H. Fung); Georgia Southern University Institute for Health Logistics and Analytics, Statesboro (J.S. Schwind); Georgia State University School of Public Health, Atlanta, Georgia, USA (G. Chowell); WHO Collaborating Centre for Infectious Disease Epidemiology and Control, The University of Hong Kong School of Public Health, Pokfulam, Hong Kong (B.J. Cowling)

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Figure 1

Effects of various vaccination scenarios on symptomatic infections at peak (upper panels), cumulative infections (middle panels), and deaths (lower panels) as a percentage of the general population, Ghana. The assessment used 2 different contact matrices in the main analysis and an effective reproductive number of 3.13 for the initial strain. A) Results assuming 1 million persons were vaccinated in 3 months. B) Results assuming 1 million persons were vaccinated in 6 months. Percentage of cumulative infections is >100% because of waning immunity from natural infection and vaccination.

Figure 1. Effects of various vaccination scenarios on symptomatic infections at peak (upper panels), cumulative infections (middle panels), and deaths (lower panels) as a percentage of the general population, Ghana. The assessment used 2 different contact matrices in the main analysis and an effective reproductive number of 3.13 for the initial strain. A) Results assuming 1 million persons were vaccinated in 3 months. B) Results assuming 1 million persons were vaccinated in 6 months. Percentage of cumulative infections is >100% because of waning immunity from natural infection and vaccination.

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Page created: December 06, 2022
Page updated: January 21, 2023
Page reviewed: January 21, 2023
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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