Figure 2. Levels of IFNγ and IL5 secreted after in vitro re-stimulation with recombinant H5 haemagglutinin by cells obtained before and eight days after two injections, 21 days apart, of adjuvanted or non-adjuvanted H5N1 vaccine in groups of children aged 6–35 months.

Symbols represent results from individual samples, bars indicate the median level.