B. recurrentis DNA was found in 23% of head lice from patients with louse-borne relapsing fever in Ethiopia. Whether head lice can transmit these bacteria from one person to another remains to be determined.[4]
It is notable for its ability to alter the proteins expressed on its surface, which causes the "relapsing" characteristic of relapsing fever.[5]
^Madigan, Michael T.; Martinko, John M. (2006). Brock biology of microorganisms. Upper Saddle River, NJ: Pearson Prentice Hall. p. 410. ISBN0-13-144329-1.