That is exactly how I understand the vaccine for mereksThanks Kass, i do understand there are different strains, and vaccinating is supposed to made them immune to a point, but i have been following a thread on b yc where the chick was vaccinated and is now fighting mereks- i wonder if its like getting a chickenpox vaccine, you get a milder case? just one of those stray thoughts, i'll look into the turkey idea too- someone on FB is also fighting it in the flock she has