We have a small supply of preventive vaccine aboard.

A preventive vaccine is available and is now being administered on an emergency basis in the region.

"We cannot report the big breakthroughs on preventive vaccines for which the world is waiting."

These are called "preventive vaccines," and you get them while you are healthy.

Current preventive vaccines reduce, but do not eliminate the chance of getting cervical cancer.

The ideal vaccine strategy would combine a preventive and therapeutic vaccine.

There is no preventive vaccine, and treatment often requires a highly toxic drug.

Unfortunately, the prospect of the first preventive vaccines for a devastating cancer come with side effects other than just the high cost.

We are faced with a disease for which there is no preventive vaccine, no cure, and no sure end but death.

The task of developing a preventive vaccine for malaria is a complex process.