On 05/28/10 12:36 pm, Peter wrote:

Actually, not likely. The only vaccination that is effective against TB
is BCG, which is rarely used anymore and certainly not in the US.
Reason: It is not 100% effective, but permanently converts you into a
positive tuberculin reactor, forever destroying that test's ability to
detect early TB infections (when they have a much higher chance of being
successfully treated and put into a dormant state).

I am certain that I had a BCG vaccination a few decades ago in Australia
before a trip to India, but I do *not* test positive when I get my
regular TB tests for the hospice where I volunteer.

Perce