Figure 4.

Frequency distributions of IFN-γ responses to M.tb PPD among 12–14-year olds in the UK, as a function of infant BCG vaccination history, ethnic group and travel history. Bars represent proportion of each group making an IFN-γ response of particular magnitude.

Weir et al. BMC Infectious Diseases 2008 8:9   doi:10.1186/1471-2334-8-9
Download authors' original image