CD69 and infection: Moreover, CD69+NK cells were positively associated with HIV-1 viral load in the first (r = 0.59, P = 0.013), third (r = 0.50, P = 0.031) and twelfth month (r = 0.61, P = 0.006) of infection but not in chronic HIV-1 infection over 2 years as shown in Table 1.