• Jeffrey W Cannon, Jane Zhung, Julie Bennett, Nicole J Moreland, Michael G Baker, Elizabeth Geelhoed, John Fraser, Jonathan R Carapetis, and Susan Jack.
• Telethon Kids Institute, University of Western Australia, Perth, Western Australia.
• Int. J. Infect. Dis. 2021 Feb 1; 103: 176-181.

ObjectivesIn preparation for the future arrival of a group A Streptococcus (GAS) vaccine, this study estimated the economic and health burdens of GAS diseases in New Zealand (NZ).MethodsThe annual incidence of GAS diseases was based on extrapolation of the average number of primary healthcare episodes managed each year in general practices (2014-2016) and on the average number of hospitalizations occurring each year (2005-2014). Disease incidence was multiplied by the average cost of diagnosing and managing an episode of disease at each level of care to estimate the annual economic burden.ResultsGAS affected 1.5% of the population each year, resulting in an economic burden of 29.2 million NZ dollars (2015 prices) and inflicting a health burden of 2373 disability-adjusted life years (DALYs). Children <5 years of age were the most likely age group to present for GAS-related healthcare. Presentations for superficial throat and skin infections (predominantly pharyngitis and impetigo) were more common than other GAS diseases. Cellulitis contributed the most to the total economic and health burdens. Invasive and immune-mediated diseases disproportionately contributed to the total economic and health burdens relative to their frequency of occurrence.ConclusionPreventing GAS diseases would have substantial economic and health benefits in NZ and globally.Copyright © 2020 The Author(s). Published by Elsevier Ltd.. All rights reserved.

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