KAJ has announced that any and all raisins are off limits due to incredible levels of bug infestation. Wow, that was a kick in the pants. The USDA has a list of permitted “defects” allowed in food stuff. Read bugs and the stuff they leave behind as “defects.”
Obviously, the level of defect in kosher certified raisins is within halachic limits. However, the statement by KAJ said that all raisins are now no good.
Other authorities have said that hechshered (certified kosher) raisins are fine.
What is interesting is that KAJ wrote that if you have food in your house with raisins, it is ok to eat it. Weird, no?