Figure 3.

IFN-γ responses to M.tb PPD in UK teenagers tested before, one and three years after BCG vaccination. Each triplet of linked points represents IFN-γ response of vaccinated individuals at baseline, one (Year 1) and three (Year 3) years after vaccination with Glaxo 1077 BCG.

Weir et al. BMC Infectious Diseases 2008 8:9   doi:10.1186/1471-2334-8-9
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