A health alert related to dinosaur nuggets sold at Walmart has been retracted by the USDA. The details of the initial alert and the reason for its retraction are not specified in the available information. Further information about the alert and its retraction can be found through KHOU Houston, a local news source.

The retraction indicates that the USDA no longer considers the dinosaur nuggets a health concern, but specifics about the situation are not provided in the available details.