It was a disease of Victorian Age Novelist

The Hero or his friend sent away to the country to recover from

Although in reality it was one of the most dreaded diseases of the 1800s,

for middle class America after WW2 it was invisible

For baby boomers in the United States it did not exist

But it still existed in the poverty areas of the third world, ignored, and so as the world shrunk and a new wave of immigration began in the late 1970s it has revisited the US.

Today it exists where poverty exists, with the homeless, in prisons, and with those who are weakened with AIDs.

And a new super-bug form - resistant to standard - treatment has also arrived.