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Volume 31, Number 8—August 2025

Research

Group A Streptococcus among American Indian Persons, White Mountain Apache Tribal Lands, United States, 2016–20191

Catherine G. Sutcliffe2Comments to Author , Ryan Close2, Laura B. Brown, Dennie Parker, Jayshree Patel, Eugene Romancito, Robert Weatherholtz, James McAuley3, and Laura L. Hammitt3
Author affiliation: Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA (C.G. Sutcliffe, L.B. Brown, D. Parker, R. Weatherholtz, L.L. Hammitt); Indian Health Service Hospital, Whiteriver, Arizona, USA (R. Close, J. Patel, E. Romancito, J. McAuley); MaineHealth, Portland, Maine, USA (R. Close)

Main Article

Figure 2

Distribution of emm type clusters by sample type among cases of group A Streptococcus from American Indian persons in the White Mountain Apache Tribal Lands, Arizona, USA, 2016–2019. Clinical isolates were convenience samples; all other samples were collected as part of active, laboratory-based surveillance. Year 1 indicates active surveillance for siGAS during March 1, 2017–February 28, 2018, and year 2 indicates active surveillance for siGAS during March 1, 2018–February 28, 2019. siGAS, severe or invasive cases of group A Streptococcus.

Figure 2. Distribution of emm type clusters by sample type among cases of group A Streptococcus from American Indian persons in the White Mountain Apache Tribal Lands, Arizona, USA, 2016–2019. Clinical isolates were convenience samples; all other samples were collected as part of active, laboratory-based surveillance. Year 1 indicates active surveillance for siGAS during March 1, 2017–February 28, 2018, and year 2 indicates active surveillance for siGAS during March 1, 2018–February 28, 2019. siGAS, severe or invasive cases of group A Streptococcus.

Main Article

1Preliminary results from this study were presented at IDWeek, October 2–6, 2019, Washington, DC, USA.

2These first authors contributed equally to this article.

3These senior authors contributed equally to this article.

Page created: June 13, 2025
Page updated: July 21, 2025
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