Negative EBV DNA indicates no EBV infection. EBV DNA test is to determine the amount of EBV in the body, and its results can be categorized into positive and negative, positive indicates the presence of EBV infection in the organism, while negative indicates the absence of EBV infection. EBV infection can lead to a variety of diseases, such as infectious mononucleosis, nasopharyngeal cancer, lymphoproliferative disease, Burkitt’s lymphoma, etc. Most people infected with EBV do not have obvious symptoms, while a small number of people infected with EBV can show fever, sore throat and other symptoms, or different symptoms according to different disease manifestations. It is recommended to actively receive relevant vaccines, which can effectively prevent EBV infection, and pay attention to personal hygiene, such as brushing teeth, gargling, and avoiding close contact with EBV-infected people. If you feel unwell, you should go to the hospital in time to find out the cause of the disease and undergo treatment.