Vaccination with recombinant Bm-CPI-1 and Bm-CPI-2 does not confer protection against B . malayi infection in Mongolian gerbils but affects migration of worms and habitat selection. A) Total worm count. B) Distribution of worms in heart and lungs. C) Distribution of worms in lymphatic organs. Statistical significance was determined by unpaired t test using GraphPad Prism version 4.03, * denotes a significant difference between vaccinated group and alum adjuvant control, P ≤ 0.05. The line represents the median value.