Comparisons of the best fits using different models.

*Model 1 is described by Eq. (1). Model 2 is Eq. (1) with κ = 0, i.e., there is no killing of infected cells by NK cells. **We did not include data points of viral titer under the detection limit after the first undetectable data point. ***The RMS value was calculated by Eq. (2) in the Materials and Methods. These values are different from those presented in Saenz et al. [19] because the percentage of infected cells is not included (see text).