CD14 and tuberculosis: Furthermore, percentages of classical (CD14++CD16-), intermediate (CD14++CD16+) and non-classical (CD14+CD16++) monocytes were also analyzed in two groups of TB patients classified as high responders (HR-TB) or low responders (LR-TB) based on their in vitro lymphocyte responses against Mtb-Ag as previously described (Pasquinelli et al., 2004).