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WASHINGTON — The Food and Drug Administration announced a series of recalls for powdered milk products that might be contaminated with salmonella.

Over the past four days, eight food manufacturers have pulled a wide variety of products from dozens of states, including kettle chips and cheddar macaroni and cheese, milk powder, and cheese cups.

Ohio company Brand Castle had shipped 16-ounce red boxes of monkey bread mix to nearly 40 states — from Arizona to Washington, Florida to Massachusetts — that are now being recalled.

Nearly all of the companies, including Brand Castle, made voluntarily recalls.

“The health and safety of our consumers is always our top priority,” Jim Goldberg, founder of Deep River Snacks, said in a statement regarding its sour cream and onion kettle chips.

“Although we haven’t found any contaminants in either our seasonings or our finished products, we are taking great precautions to protect our customers.”

The companies that issued recalls include:

No one has reported getting sick from the products, but exposure to salmonella can result in diarrhea, abdominal cramps and fever. Most people who are exposed to the bacteria recover, even without treatment.

For those with compromised immune systems, for example because of chemotherapy, this kind of infection can be much more serious and require hospitalization. The elderly and infants can also have a hard time fighting off these infections.

The announcements follow last week’s decision from Publix to recall three of its waffle and pancake mixes sold at stores in Alabama, Florida, Georgia, North Carolina, South Carolina and Tennessee.