Costco’s El Camino Real store in San Francisco is recalling an additional 14,093 units of rotisserie chicken products that may be contaminated with a strain of Salmonella, USDA announced This is in addition to the 9,043 units that were recalled on Oct. 12.

“At this time, it appears that the problem may be the result of cross-contamination after the cooking process in the preparation area.  FSIS is continuing to work with CDC, public health partners in California and Costco on the investigation,” according to the USDA news release.