A First Assessment of Mycobacterium tuberculosis Genetic Diversity and Drug-Resistance Patterns in Twelve Caribbean Territories

Table 2

Description of predominant shared types (𝑛=19) representing clustered M. tuberculosis clinical isolates (5 or more strains) and their distribution among the 12 countries of the study.

SIT	Spoligotype pattern	Lineage	Number of isolates	Distribution among the 12 countries of the study^a
53		T1	93	BAH (𝑛=8), BLZ (𝑛=2), BRB (𝑛=4), GUY (𝑛=45), JAM (𝑛=14), LCA (𝑛=5), SUR (𝑛=13), TCA (𝑛=1), TTO (𝑛=1)
566		Unknown	74	TTO (𝑛=74)
131		T1	25	BRB (𝑛=1), GUY (𝑛=13), SUR (𝑛=11)
1340		EAI6-BGD1	24	GUY (𝑛=6), SUR (𝑛=18)
1		Beijing	17	BAH (𝑛=1), GUY (𝑛=1), JAM (𝑛=4), SUR (𝑛=5), TTO (𝑛=6)
61		LAM10-CAM	15	GUY (𝑛=1), JAM (𝑛=8), TTO (𝑛=6)
2016		X2	11	JAM (𝑛=11)
50		H3	10	BAH (𝑛=2), SUR (𝑛=6), TTO (𝑛=2)
70		X3	9	BAH (𝑛=8), TTO (𝑛=1)
2406		T1	9	JAM (𝑛=9)
42		LAM9	8	BAH (𝑛=1), DMA (𝑛=1), GUY (𝑛=1), JAM (𝑛=1), SUR (𝑛=2), TTO (𝑛=2)
119		X1	8	JAM (𝑛=2), SUR (𝑛=2), TTO (𝑛=3), VCT (𝑛=1)
958		EAI1-SOM	8	BRB (𝑛=2), GUY (𝑛=3), SUR (𝑛=1), TTO (𝑛=2)
2934		EAI2-Manilla	8	TTO (𝑛=8)
47		H1	7	JAM (𝑛=4), SUR (𝑛=3)
2550		LAM10-CAM	7	TTO (𝑛=7)
11		EAI3-IND	6	BRB (𝑛=2), GUY (𝑛=3), SUR (𝑛=1)
72		EAI1-SOM	6	BRB (𝑛=2), GUY (𝑛=4)
2935		EAI2-Manilla	5	TTO (𝑛=5)

aThe 3-letter country codes are according to http://en.wikipedia.org/wiki/ISO_3166-1_alpha-3; note that the 19 predominant SITs contain 350/480 strains of the study.