Table 1.

Tick-to-mouse-infection study

Strain	No. of mice infected/total no. of micea
Wild type	3/3
rrp1mut	0/3
rrp1com	3/3
rrp1mut + GlcNAc	2/3b

^aMouse spleen tissues were used for the reisolation.

^bSpirochete cells were observed 2 weeks after tissue isolation.