The US Food and Drug Administration (FDA) has issued a warning about a salmonella contamination in cucumbers sold in 26 states and certain Canadian areas. Consumers are advised to avoid eating these cucumbers, check for contaminated products in their homes, and report any findings. The FDA is urging retailers to remove the contaminated cucumbers from sale to prevent further health risks, which include symptoms like nausea, vomiting, and diarrhea, particularly in vulnerable groups such as children, the elderly, pregnant women, and those with weakened immune systems. This incident underscores the importance of food safety compliance, highlighting the need for vigilance and action at both consumer and retailer levels.