Tomatoes are being pulled from restaurant menus and grocery shelves after the outbreak.
The outbreak also led McDonald's to stop serving sliced tomatoes.
The FDA is trying to figure out the source of the outbreak.疫情爆发后,商店和餐馆纷纷停止出售西红柿。
麦当劳的汉堡里也不再使用切成片的西红柿了。
美国食品药品管理局正在设法查找疫情的来源。