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Volume 29, Number 10—October 2023
Dispatch

Expansion of Invasive Group A Streptococcus M1UK Lineage in Active Bacterial Core Surveillance, United States, 2019‒2021

Yuan LiComments to Author , Joy Rivers, Saundra Mathis, Zhongya Li, Sopio Chochua, Benjamin J. Metcalf, Bernard Beall, Jennifer Onukwube, Christopher J. Gregory, and Lesley McGee
Author affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Main Article

Figure 1

Expansion of M1UK lineage in serotype M1 iGAS in the United States, 2015–2021. A) Counts and percentages of M1UK isolates among M1 iGAS isolates in ABCs during 2015‒2021. B) Number of M1UK infections over time in 9 states that are part of the ABCs system. Key shows total number of M1UK infections during 2015‒2021 for each state. ABCs, Active Bacterial Core Surveillance System; iGAS, invasive group A Streptococcus disease; Q, quarter.

Figure 1. Expansion of M1UK lineage in serotype M1 iGAS in the United States, 2015–2021. A) Counts and percentages of M1UK isolates among M1 iGAS isolates in ABCs during 2015‒2021. B) Number of M1UK infections over time in 9 states that are part of the ABCs system. Key shows total number of M1UK infections during 2015‒2021 for each state. ABCs, Active Bacterial Core Surveillance System; iGAS, invasive group A Streptococcus disease; Q, quarter.

Main Article

Page created: August 18, 2023
Page updated: September 20, 2023
Page reviewed: September 20, 2023
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