Strategies for Influenza Outbreak Management in a US Residential Summer Camp Communal Housing: A Comparative Analysis of Targeted Antiviral Prophylaxis.
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Abstract
Background: Previous research has underscored the efficacy of individual control strategies in mitigating influenza spread within communal settings; however, the unique dynamics of residential summer camps-characterized by close contact and high social interaction-present distinct challenges for outbreak management.
Purpose: The purpose of this study was to evaluate and compare the effectiveness of two targeted antiviral prophylaxis protocols using oseltamivir in controlling influenza outbreaks within a residential youth camp, aiming to provide evidence-based insights for optimizing outbreak management in communal settings with high social interaction.
Design: This retrospective study analyzed the progression of influenza outbreaks in a residential youth camp using two antiviral prophylaxis protocols with oseltamivir. Time-series models assessed outbreak dynamics, and descriptive statistics characterized camp cohorts to evaluate the effectiveness of mass chemoprophylaxis (2022 Protocol) versus more rapidly deployed chemoprophylaxis (2023 Protocol).
Methods: We used descriptive statistics to define the camp cohorts and time-series models to analyze the outbreak's progression under each protocol.
Findings: In 2022, oseltamivir was widely distributed after the outbreak began, likely resulting in a reduced but ongoing spread. In 2023, targeted use of oseltamivir early in the outbreak significantly reduced transmission within the camp.
Conclusion: The study demonstrated oseltamivir's efficacy in reducing influenza transmission and emphasized the importance of rapid intervention in communal settings, offering valuable insights for optimizing outbreak management.
Clinical evidence: Early intervention with oseltamivir was more effective in controlling the outbreak than a later intervention. Targeted use of oseltamivir, focusing on individuals exposed to the virus, was shown to be beneficial.
期刊介绍：
This innovative publication focuses on health care issues relevant to all aspects of community practice -- home health care, visiting nursing services, clinics, hospices, education, and public health administration. Well-researched articles provide practical and up-to-date information to aid the nurse who must frequently make decisions and solve problems without the back-up support systems available in the hospital. The journal is a forum for community health professionals to share their experience and expertise with others in the field.
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