Other vaccines are under development and some require far lower doses.

The dose required should be about 3.0 mg for a 25g mouse.

Meaning that this is the dose required to kill half the test subjects after a given time period.

Some immunizations are given only once, while others require several doses over time.

Most patients require high doses for months to years before tapering.

Comment: requires a very large (over) dose to have any effect.

You may require a lower dose of this medication or special monitoring during treatment.

If a compelling reason requires a higher dose, it is permitted.

A second dose is needed in 16-35% of episodes with more than two doses rarely required.

In addition, she said, the drug was not tested at different doses, so there is no information on the dose required for an abortion.