UK health authorities have reported that the number of salmonella cases linked to imported eggs has climbed to nearly 500. The investigation into the source and spread of the bacteria remains ongoing as officials monitor new clusters of illness across the country.

While the primary link identified by authorities involves imported eggs, the investigation is currently focused on tracing the supply chain to determine the specific origin of the contamination. Health agencies are working to contain the outbreak, though specific details regarding the countries of origin for the eggs or the specific retail brands involved have not been fully disclosed to the public at this stage. The situation remains fluid as public health teams continue to track new reports of infection to prevent further transmission.