The parameters will help producers control and prevent contamination of ready-to-eat foods with this bacterium that can result in listeriosis, a potentially fatal disease.
In the first few hours of the Chernobyldisaster, lethal forms of iodine and cesium were released into the atmosphere. They were accompanied by other highly dangerous radioactive emissions.
On the 20th anniversary of the first official report on AIDS, the head of the United Nations' AIDS program warns the deadly disease may only be at its early stages in many parts of the world.
LONDON - Smallpox, one of the world's deadliest diseases, eradicated three decades ago, is kept alive under tight security today in just two places - the United States and Russia.