(CNN)–The FDA has issued a new health warning about jerky pet treats imported from China that are making dogs sick.
The agency has reported about 1,800 new cases of pet illnesses since the last warning in October.
The FDA said the majority of the jerky treats were from China with flavors that include chicken, duck and sweet potato.
In all, the agency reports a total of about 4,800 complaints and 1,000 dog deaths related to the treats.
The FDA said it is continuing its investigation to find out what exactly is causing the illnesses.
— OutFrontCNN (@OutFrontCNN) May 20, 2014