In fact, Britain was probably the first nation to come up with the idea of using smallpox to kill its adversaries.

Perhaps it had been one of such, but, if so, no matter; we could as well use smallpox.

In the event of a terrorist attack using smallpox, we must expect multiple outbreaks in large urban centers.

It's hard to see why Saddam, if left in power, would risk his future by using anthrax or smallpox for terrorism.

Instead, doses will be kept in government stockpiles, for use if terrorists use smallpox as a weapon.

Those rating the risk of a bioterrorist attack using smallpox as intermediate or high were more likely to favor vaccination.

Also, other countries might assume that any country that vaccinated its people was preparing to use smallpox as a weapon.

If fears of an attack using smallpox turn out to be much ado about nothing, this approach will have saved Americans from the vaccine's side effects.

We have not been attacked by Iraq, and using smallpox as a bioweapon is very difficult.

In the 18th century, the British planned to use smallpox as a biological weapon against the American Indians.