[oh_sigh]

Lyme disease isn't passed from human to human so herd immunity is irrelevant.

[sliverstorm]

My mistake, I thought it was a vaccine for the deer.

[mark-r]

As I understand it the vector is mice, not deer. There's a correlation between mouse populations where the juveniles feed and Lyme disease outbreaks 2 years later when the adults latch onto humans.

[delbel]

lyme disease can be passed human to human as a std or the womb from mother to child

[RickDT]

Lyme disease is NOT sexually transmitted. https://www.cdc.gov/lyme/faq/index.html

[dayofthedaleks]

(citation needed)