WASHINGTON - President Barack Obama, speaking as the country's chief executive and a father, promised a comprehensive review of the Food and Drug Administration amid a salmonella outbreak linked to a Georgia peanut processor.

More than 500 people have been sickened and at least eight may have died with authorities faulting Peanut Corp. of America.

Officials said the company shipped products that initially tested positive for salmonella after retesting and getting a negative result.

The outbreak has led to a massive recall of products ranging from ice cream to cookies.

"I think that the FDA has not been able to catch some of these things as quickly as I expect them to catch," Obama said in an interview aired Monday on NBC's "Today" show. "And so we're gonna be doing a complete review of FDA operations."

The president said Americans should be able to count on the government to keep children safe when they eat peanut butter and that includes his seven-year-old daughter Sasha.

"That's what Sasha eats for lunch probably three times a week. And you know, I don't want to have to worry about whether she's going to get sick as a consequence to having her lunch," Obama said.

The FDA has asked the Justice Department to launch a criminal investigation into the Virginia-based Peanut Corp.

More than 430 products have been pulled off the shelves in a recall that reaches to Canada and Europe.

On Friday, FDA officials urged consumers to be cautious about "boutique" brands of peanut butter, which had not previously figured in the recall. Although national brands of peanut butter are unaffected, FDA officials warn that some smaller companies may have received peanut products from the Peanut Corp. processing plant in Georgia.