About 20 percent of the students in the pool are tested annually.

The medical monitoring will test for 4 types of cancer annually.

All medical staff were now tested annually for the virus, said the spokesman.

When all such surveys are operational in May 1988, some 1.6 million people will have their blood tested annually.

If you're over 25 and have a new sexual partner or multiple partners, you should also get tested annually.

If 500,000 of those homes are tested annually, 190,000 would prove to have serious hazards.

Older vehicles continue to be tested annually, but the fee has been dropped to $10 from $15.

So in a population of 70,000, 100 patients should be tested annually to detect contact allergy.

It is generally recommended that most aspects of the security plan are tested at least annually in every location.

He would allow states to determine the exact nature of the tests, but the requirement to test annually is itself a major and controversial decision.