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Ryan M Close

Biographic Data

ID217630
NAMERyan M Close
GIVEN NAMESRyan M
FAMILY NAMEClose
SIGNATURECLOSE R M
AFFILIATIONSElizabeth A. Van Dyne is with the US Public Health Service Commissioned Corps and Food Safety and Inspection Service, US Department of Agriculture, Tucson, AZ. Christopher Jentoft, Thomas Boone, and Ryan M. Close are with Whiteriver Indian Hospital, Indian Health Service, Whiteriver, AZ.
VERIFIEDNo
TOTAL WORKS5
TOTAL CITATIONS1
AUTHOR COUNT5
EDITOR COUNT0
FIRST PUBLICATION YEAR2021
LATEST PUBLICATION YEAR2025
H-INDEX1
  • Clinical characterization of acute Covid-19 and Post-Covid-19 Conditions 3 months following infection: A cohort study among Indigenous adults and children in the Southwestern United States

    Open Access•Chelsea S Lutz, Rachel M Hartman et al.•ARTICLE•PLOS Global Public Health•2025

    Long-term effects of COVID-19 on multiple organ systems have been reported. Indigenous persons experienced disproportionate morbidity and mortality from COVID-19; however, Post-COVID-19 Conditions (PCC) have not been well described in this population. We conducted a longitudinal cohort study among Indigenous persons living in the Navajo Nation or White Mountain Apache Tribal lands in the Southwest United States who tested positive for SARS-CoV-2 …

  • Incidence Rates of Covid-19-Associated Hospitalization and Risk Factors for Severe Disease Among American Indian and Alaska Native Persons in the Southwest USA and Alaska

    Open Access•Chelsea S Lutz, Catherine G Sutcliffe et al.•ARTICLE•Journal of Racial and Ethnic…•2025

  • Characteristics and outcomes of a hospitalized cohort with reduced mortality from Covid-19, White Mountain apache tribal lands, April 1 – July 31, 2020

    Open Access•Ryan M Close, Ryan Close et al.•ARTICLE•BMC Public Health•2024

    We observed a cohort of American Indian patients hospitalized secondary to COVID-19 with greater number of comorbidities compared to the general population but with lower mortality rates. We posit that the primary driver of mortality reduction for this population and the hospitalized cohort was a community-based referral program that led to disproportionately lower fatality rates among the oldest persons

  • Integrated Covid-19 Interventions in a Native American Community: Arizona, December 25, 2021–January 31, 2022

    Elizabeth A Van Dyne, Christopher Jentoft et al.•ARTICLE•American Journal of Public Health•2023•References: 5

    COVID-19 has disproportionately affected Indigenous communities. The Whiteriver Service Unit (WRSU) took an integrated public health–health care system delivery approach in collaboration with the White Mountain Apache Tribe to decrease the case fatality rate (CFR). The WRSU performed daily data analyses identifying risk factors, expeditiously treating and proactively vaccinating people during at-home visits. The WRSU’s CFR was 0.3% lower than Ari…

  • High-Risk Outreach for Covid-19 Mortality Reduction in an Indigenous Community

    Myles J Stone, Myles Stone et al.•ARTICLE•American Journal of Public Health•2021•Cited by: 1•References: 5

    Indigenous populations have been disproportionally affected by COVID-19, particularly those in rural and remote locations. Their unique environments and risk factors demand an equally unique public health response. Our rural Native American community experienced one of the highest prevalence outbreaks in the world, and we developed an aggressive management strategy that appears to have had a considerable effect on mortality reduction. The results…

  • High-Risk Outreach for Covid-19 Mortality Reduction in an Indigenous Community

    Myles J Stone, Myles Stone et al.•ARTICLE•American Journal of Public Health•2021•Cited by: 1•References: 5

    Indigenous populations have been disproportionally affected by COVID-19, particularly those in rural and remote locations. Their unique environments and risk factors demand an equally unique public health response. Our rural Native American community experienced one of the highest prevalence outbreaks in the world, and we developed an aggressive management strategy that appears to have had a considerable effect on mortality reduction. The results…

  • High-Risk Outreach for Covid-19 Mortality Reduction in an Indigenous Community

    Myles J Stone, Myles Stone et al.•ARTICLE•American Journal of Public Health•2021•Cited by: 1•References: 5

    Indigenous populations have been disproportionally affected by COVID-19, particularly those in rural and remote locations. Their unique environments and risk factors demand an equally unique public health response. Our rural Native American community experienced one of the highest prevalence outbreaks in the world, and we developed an aggressive management strategy that appears to have had a considerable effect on mortality reduction. The results…

  • Integrated Covid-19 Interventions in a Native American Community: Arizona, December 25, 2021–January 31, 2022

    Elizabeth A Van Dyne, Christopher Jentoft et al.•ARTICLE•American Journal of Public Health•2023•References: 5

    COVID-19 has disproportionately affected Indigenous communities. The Whiteriver Service Unit (WRSU) took an integrated public health–health care system delivery approach in collaboration with the White Mountain Apache Tribe to decrease the case fatality rate (CFR). The WRSU performed daily data analyses identifying risk factors, expeditiously treating and proactively vaccinating people during at-home visits. The WRSU’s CFR was 0.3% lower than Ari…

  • Characteristics and outcomes of a hospitalized cohort with reduced mortality from Covid-19, White Mountain apache tribal lands, April 1 – July 31, 2020

    Open Access•Ryan M Close, Ryan Close et al.•ARTICLE•BMC Public Health•2024

    We observed a cohort of American Indian patients hospitalized secondary to COVID-19 with greater number of comorbidities compared to the general population but with lower mortality rates. We posit that the primary driver of mortality reduction for this population and the hospitalized cohort was a community-based referral program that led to disproportionately lower fatality rates among the oldest persons

  • Clinical characterization of acute Covid-19 and Post-Covid-19 Conditions 3 months following infection: A cohort study among Indigenous adults and children in the Southwestern United States

    Open Access•Chelsea S Lutz, Rachel M Hartman et al.•ARTICLE•PLOS Global Public Health•2025

    Long-term effects of COVID-19 on multiple organ systems have been reported. Indigenous persons experienced disproportionate morbidity and mortality from COVID-19; however, Post-COVID-19 Conditions (PCC) have not been well described in this population. We conducted a longitudinal cohort study among Indigenous persons living in the Navajo Nation or White Mountain Apache Tribal lands in the Southwest United States who tested positive for SARS-CoV-2 …

  • Incidence Rates of Covid-19-Associated Hospitalization and Risk Factors for Severe Disease Among American Indian and Alaska Native Persons in the Southwest USA and Alaska

    Open Access•Chelsea S Lutz, Catherine G Sutcliffe et al.•ARTICLE•Journal of Racial and Ethnic…•2025

Environmental health (5 works) · Medicine (5 works) · Internal Medicine (4 works) · COVID-19 Clinical Research Studies (3 works) · Population (3 works) · Case fatality rate (2 works) · Cohort (2 works) · Cohort study (2 works) · Coronavirus disease 2019 (COVID-19) (2 works) · Demography (2 works)

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