Figure 6 : Sex-differences in the virulence of HTLV-1 in Japan and the Carribbean.

From: The evolution of sex-specific virulence in infectious diseases

Figure 6

Data on the lifetime risk of progression to ATL among male HTLV-1 carriers relative to female carriers. The lifetime risk of progression to ATL is approximately the same in men and women in the Caribbean60 but between 2.0 and 3.5 times more likely in men than women in Japan14.