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. 2023 Jul 27;11(8):2123. doi: 10.3390/biomedicines11082123

Table 2.

Th cell subset alterations in tuberculosis and COVID-19.

Cells COVID-19 Tuberculosis
Th1 ↑ [65,91,92];
↓ [93,94]		 ↑ [95,96]
Th2 ↑ [97,98,99] ↑ [100,101];
not significant [95]
Th17 ↑ [99,102];
↓ [93,96,101]		 ↓ [100,103]
Tfh ↑ [98,104];
↓ [87,91,99,105]		 ↑ [100];
↓ [101]
not significant [95]
Treg ↑ [65,106,107];
↓ [66,108,109]		 ↑ [43,60,110,111,112]

↑—high level; ↓—low level.