ricin

Ricin kills over a period of hours, even a day.

If you are outdoors, move away from the area where ricin was released.

If ricin was released indoors, get out of the building.

Contrary to some reports, no traces of ricin were found.

Much of what we know about ricin poisoning comes from animal studies and only a few human cases.

No ricin was recovered as a result of this raid.

Ricin operates by getting inside the cells of a victim's body.

But later on Tuesday, the authorities said the powder was found not to be ricin.

For more information about ricin and other biological agents, visit the next page.

Medical science is exploring the use of ricin in therapeutic situations.

"But we still have found no direct evidence between the ricin discovery and that kind of plot."

The smaller the particle size, the more poisonous the ricin.

Journal Moore dies as a result of the ricin attack.

This is a list of incidents involving the poison ricin.

The police would not comment on whether the six people arrested, five men and a woman, were connected to the ricin case.

Congressional leaders said extensive searches had so far turned up no new evidence of ricin.

The ricin episode, many said, is more of a frustration and a nuisance.

It is similar to ricin but even more toxic.

A process for extracting ricin has been described in a patent.

The letter was tested three times, with each test confirming the presence of ricin.

Ricin has been investigated for its potential use as an insecticide.

Another letter was sent to a Mississippi judge and is also being tested for ricin.

Tests on February 3 confirmed that the substance was ricin.

Anyone needing more information on Ricin poisoning should contact a local poison control center.

In a few rare, past cases, injections of ricin have led to poisoning.