Reported Tuberculosis in the United States, 2021

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Table 33. Five Most Frequently Reported GENTypes1 Among Genotyped Tuberculosis Cases: United States-Affiliated Reporting Areas,2 2019–2021

Five most frequently reported GENTypes in the U.S.-affiliated reporting areas.
GENType PCRType3 Spoligotype 24-locus MIRU-VNTR No. (%)4 No. of reporting areas4 with GENType
G00017 PCR00803 000000000003771 222325173533 445644423328 56 12.7 4
G01284 PCR00002 000000000003771 223325173533 44474442334a 23 5.2 3
G04942 PCR00041 677777477413771 254326223432 149843263217 13 2.9 3
G01177 PCR00002 000000000003771 223325173533 443‐‐4423327 12 2.7 2
G00016 PCR00041 677777477413771 254326223432 14a843263217 8 1.8 4

1GENType is defined as a unique combination of spoligotype and 24-locus mycobacterial interspersed repetitive unit-variable number tandem repeat (MIRU-VNTR) type.
2The U.S.-affiliated reporting areas include: American Samoa, Northern Mariana Islands, Federated States of Micronesia, Guam, Republic of the Marshall Islands, Republic of Palau, Puerto Rico, and U.S. Virgin Islands.
3PCRType is defined as a unique combination of spoligotype and 12-locus MIRU-VNTR; every GENType has a corresponding PCRType.
4Among 440 TB cases with a GENType during 2019–2021.