A Francisella tularensis live vaccine strain that improves stimulation of antigen-presenting cells does not enhance vaccine efficacy.
Schmitt DM, O'Dee DM, Horzempa J, Carlson PE, Russo BC, Bales JM, Brown MJ, Nau GJ. A Francisella tularensis live vaccine strain that improves stimulation of antigen-presenting cells does not enhance vaccine efficacy. PLoS One. 2012; 7(2):e31172.