Weeks after a recall was issued for more than 1.5 million cartons of one dozen eggs due to the risk of salmonella, the U.S. Food and Drug Administration has upgraded the recall to the highest risk level.On Wednesday, the recall was moved up to a Class I, which signifies "a situation in which there is a reasonable probability that the use of or exposure to a violative product will cause serious adverse health consequences or death."The upgrade comes as nearly 98 people have been sickened across 17 states, with 26 hospitalizations, according to a July 24 update from the FDA.No deaths have been r...