Aaby P, Whittle H and CS Benn. 2012. Vaccine programmes must consider their effect on general resistance. BMJ, 344:e3769.
Recent randomised trials have shown that live vaccines such as measles and BCG enhance general resistance, preventing other infections as well as the target infection. However, current vaccination strategies assume a proportionate response. Peter Aaby, Hilton Whittle, and Christine Stabell Benn argue that we need to rethink our approach.

Last revised 22 January 2013