NEW YORK, June 18 (UPI) -- New York City health officials Wednesday said six more cases of salmonella poisoning caused by tainted tomatoes have been reported in the city.

CHICAGO, June 14 (UPI) -- Nine people who got salmonella food poisoning linked to fresh tomatoes ate at two eateries belonging to the same restaurant chain, U.S. officials say.

CHICAGO, Aug. 3 (UPI) -- An official with the U.S. Food and Drug Administration says the United States must take a proactive stance to food safety.

WASHINGTON, June 28 (UPI) -- The U.S. Food and Drug Administration has imposed an "import alert" on five types of fish raised on Chinese fish farms.

WASHINGTON, June 28 (UPI) -- The U.S. Food and Drug Administration announced an expansion Thursday of its import control of certain Chinese farm-raised seafood.

WASHINGTON, June 14 (UPI) -- U.S. officials are considering an overhaul in the process used to inspect and regulate imported food.

WASHINGTON, May 31 (UPI) -- U.S. health regulators said an Ohio company has been adding the chemical melamine to feed for livestock and fish meant for human consumption.

WASHINGTON, May 11 (UPI) -- U.S. government officials said Thursday they've identified 198 fish hatcheries that "may or may not" have received melamine-contaminated feed.

WASHINGTON, May 5 (UPI) -- The United States is developing new procedures to ensure food safety following the recent wave of pet poisonings blamed on food products made in China.