Plague still exists in the US, and is not confined only to developing countries.
Searching of NIH labs revealed the presence of five pathogens which were found to be improperly stored and lacked inventorying.
A plague that was spread by rats has killed 39 people in recent weeks in Madagascar, reported Arab News.
Researchers reported that men who drank alcohol excessively sped up the progression of atherosclerosis, which occurs when there is plaque build up in the arteries.
The Angeles National Forest has closed down some of the campgrounds after a squirrel tested positive for the plague.