Partially fed ticks who then re-attach to a new host can transmit Lyme disease within 24 hours 83% of the time according to study.

Int J Gen Med. 2015; 8: 1–8. Published online 2014 Dec 19. doi:  10.2147/IJGM.S73791 PMCID: PMC4278789 Lyme borreliosis: a review... View Article