Group A Streptococcus Meningitis, United States, 1997–2022
Paulina A. Hawkins, Sopio Chochua, Namrata Prasad, Jennifer O. Okaro, Yuan Li, Tasha Martin, Ann Thomas, Bridget J. Anderson, Kari E. Burzlaff, Lee Harrison, Shannon Seopaul, Nisha Alden, Rachel Herlihy, William Schaffner, H. Keipp Talbot, Ruth Lynfield, Kathy Como-Sabetti, Maria Rosales, Shua Chai, Sam Sefton, Jessica R. Howard-Anderson, Sarah Khanlian, Jessica Houston, Susan Petit, Adam L. Cohen, and Christopher J. Gregory
Author affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (P.A. Hawkins, S. Chochua, N. Prasad, J.O. Okaro, Y. Li, S. Chai, A.L. Cohen, C.J. Gregory); Oregon Health Authority, Portland, Oregon, USA (T. Martin, A. Thomas); New York State Department of Health, Albany, New York, USA (B.J. Anderson, K.E. Burzlaff); Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA (L. Harrison, S. Seopaul); Colorado Department of Public Health and the Environment, Denver, Colorado, USA (N. Alden, R. Herlihy); Vanderbilt University School of Medicine, Nashville, Tennessee, USA (W. Schaffner, H.K. Talbot); Minnesota Department of Health, St. Paul, Minnesota, USA (R. Lynfield, K. Como-Sabetti); California Emerging Infections Program, Oakland, California, USA (M. Rosales, S. Chai); Emory University School of Medicine, Atlanta (S. Sefton, J.R. Howard-Anderson); New Mexico Department of Health, Santa Fe, New Mexico, USA (S. Khanlian, J. Houston); Connecticut Department of Public Health, Hartford, Connecticut, USA (S. Petit)
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Figure 2

Figure 2. Distribution of emm types among isolates from group A Streptococcus meningitis cases, by age, United States, 1997–2022. A) Patients <18 years of age; B) patients >18 years of age.
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