Such models should include early warning systems (horizon scanning), forecasting of drug utilization and expenditure, critical drug evaluation to help define which patient groups will benefit most from the new medicine, and follow-up to ascertain whether the new drugs are cost-effective in practice.
"It is a warning on the horizon," said Dr. Henry Chambers, an infectious diseases expert at the University of California San Francisco and member of the Infectious Diseases Society of America.
For earlier warning, over-the-horizon radars or satellite-borne infrared detectors can be used.
And I am concerned, as I have said, that there are some warning signs on the horizon.
She may be keeping one eye on the horizon and warning us, "Not yet," but her art, rising up behind her, catches the light and declares, "Still".
Mr. Bush said Thursday that he was simply being a realist in considering the dangers ahead, "and if there are warning signs on the horizon, we need to pay attention to them".
"There are some warning signs on the horizon about the economy; both Secretary Cheney and I have spoken about that publicly," Mr. Bush said on Tuesday in an interview with CBS News. "One of the reasons I fought so strongly for tax relief was to serve as an insurance policy against a potential economic downturn".
So there are interesting warning signs on the horizon that will probably need to be dealt with if Europe wants to fulfill its potential here," he adds.
The survey revealed warning signs on the horizon.
In the longer term they might yield transplantable organs with the same genotype as the recipient, thus eliminating the problem of rejection.In this section The nuclear option Expanding horizons Advance warning What a gas!
