The technical term we use is heightened surveillance.

It would be very hard for polio to gain a foothold here in Middlesex-London.

There is a rapid test for polio and all those results are negative.

From a technical standpoint, we're at a place where we could see a short-term advance, as long as the numbers going forward aren't ridiculously awful.

Basically, all they found were technical violations.

On a very short-term basis, you got a little oversold last week, and on a technical level, this is a pretty good place to get a bounce. In the greater scheme of things, last week's movement was significant, in that it was a stronger wave of selling than we've seen in a while.