It is not known how many people in this period tested positive and failed to apply.

"But it seems that people were hunting for bargains and just testing the water."

But even during treatment, people tested positive 3% of the time.

If not, people from the lab will test it.

But some people still need, and want, to test themselves against the very best.

Many people will test positive to a particular food, but they can still eat that food without a problem.

"Two people recently tested with a blood alcohol level of 0.40 percent, which is four times over the legal limit," she said.

If enough people test the limits on a given issue, the rules are altered.

Four people tested negative on Sunday, and two were cleared today.

And of course most people won't be testing the security of it.