A California-based produce company was the source of fresh onions linked to a deadly E. coli at McDonald91裸聊视频檚, officials with the restaurant chain said Thursday.

Meanwhile, other fast-food restaurants 91裸聊视频� including Taco Bell, Pizza Hut, KFC and Burger King 91裸聊视频� pulled onions from some menus.

McDonald91裸聊视频檚 officials said that Taylor Farms, of Salinas, California, sent onions to one distribution facility, which led the fast-food chain to from restaurants in several states. McDonald91裸聊视频檚 didn91裸聊视频檛 say which facility it was.

An outbreak tied to the burgers has sickened at least 49 people in 10 states, including a person who died, federal health officials have said. Investigators said they were as a potential source of the infections.

McDonald91裸聊视频檚 Canada has said its operations aren91裸聊视频檛 affected, and that none of the affected products or ingredients are used in its restaurants.

U.S. Foods, a major wholesaler to restaurants across the country, said Thursday that Taylor Farms had issued a recall this week for peeled whole and diced yellow onions for potential E. coli contamination. The recalled onions came from a Taylor Farms facility in Colorado, a U.S. Foods spokesperson said. But the wholesaler also noted that it wasn91裸聊视频檛 a McDonald91裸聊视频檚 supplier and that its recall didn91裸聊视频檛 include any products sold at the fast-food chain91裸聊视频檚 restaurants.

Taylor Farms did not respond to multiple requests for comment.

Officials with the U.S. Food and Drug Administration did not confirm that the agency is investigating Taylor Farms. A spokesperson said Thursday that the agency is 91裸聊视频渓ooking at all sources91裸聊视频� of the outbreak.

In the meantime, other temporarily stopped using fresh onions.

91裸聊视频淎s we continue to monitor the recently reported E. coli outbreak, and out of an abundance of caution, we have proactively removed fresh onions from select Taco Bell, Pizza Hut and KFC restaurants,91裸聊视频� Yum Brands said in a statement.

Louisville, Kentucky-based Yum Brands wouldn91裸聊视频檛 say where onions were removed or whether the company uses the same supplier as McDonald91裸聊视频檚. Yum Brands said it will continue to follow guidance from regulators and its suppliers.

Restaurant Brands International, which owns Burger King, said Thursday that 5% of its restaurants use onions distributed by Taylor Farms91裸聊视频� Colorado facility. Burger King restaurants get deliveries of whole, fresh onions and its employees wash, peel and slice them.

Even though it wasn91裸聊视频檛 contacted by health officials and it had no indications of illness, Restaurant Brands said it asked the restaurants that received onions from the Colorado facility to dispose of them two days ago. The company said it91裸聊视频檚 restocking with onions from other suppliers.

Chipotle said Thursday it doesn91裸聊视频檛 source onions from Taylor Farms or us any other ingredients from the Colorado facility.

Onions have been implicated in . In 2015, Taylor Farms recalled a celery and onion mix used in Costco chicken salads after 19 people were sickened with E. coli. Last year, in an outbreak of salmonella poisoning tied to bagged diced onions from Gills Onions of Oxnard, California. At least 10 people have been hospitalized in the McDonald91裸聊视频檚 outbreak, including a child who suffered a severe kidney disease complication as a result of the infection. Illnesses were confirmed between Sept. 27 and Oct. 11, according to the U.S. Centers for Disease Control and Prevention.

Victims were infected with E. coli 0157:H7, a type of bacteria that produces a dangerous toxin. It causes about 74,000 infections in the U.S. annually, leading to more than 2,000 hospitalizations and 61 deaths each year, according to CDC.

A Greeley, Colorado, man is suing McDonald91裸聊视频檚 after contracting an E. coli infection. In a lawsuit filed this week, Eric Stelly said he ate food from local McDonald91裸聊视频檚 on Oct. 4 and fell ill two days later. After he sought emergency care, health officials confirmed his infection was part of the outbreak.

Symptoms occur of E. coli poisoning can occur quickly, within a day or two of eating contaminated food. They typically include fever, vomiting, diarrhea or bloody diarrhea and signs of dehydration 91裸聊视频� little or no peeing, increased thirst and dizziness. The infection is especially dangerous for children younger than 5, people who are elderly, pregnant or who have weakened immune systems.