Table 1.

Role of TMPRSS2 in the activation of IAV, IBV and zoonotic CoV in Calu-3 human airway cells. The results of this study are highlighted in bold. Additional results were described in our previous publications [23,24,31].

TMPRSS2-Dependent	TMPRSS2 Involved	TMPRSS2-Independent
H1 [23]	H9 (R-S-S-R↓) [24]	IBV [23,24]
H1/1918	H16 [24]	H12
H2 [24]		H17
H3 [23,24]
H4 [24]
H5 [24]
H6 [24]
H7 [23]
H8 [24]
H9 (R↓) [24]
H10 [24]
H11 [24]
H13
H14 [24]
H15 [24]
SARS-CoV-2 [31]	SARS-CoV
MERS-CoV