Epstein-Barr virus (EBV) is a common virus in the herpesvirus family, and it is one of the most common human viruses worldwide. Many people are infected with EBV at some point in their lives, and the infection is often asymptomatic or causes mild, flu-like symptoms that go unnoticed. However, in some cases, EBV can lead to more significant symptoms and health conditions. Here are some common symptoms associated with EBV infection:

1. Fatigue: One of the hallmark symptoms of an EBV infection is extreme fatigue that can persist for weeks. This is often referred to as "mononucleosis" or "mono," which is the most well-known manifestation of EBV infection.

2. Sore Throat: Individuals with EBV infection may experience a severe sore throat, which can be accompanied by swollen tonsils and lymph nodes in the neck.

3. Fever: Fever is a common symptom, and it may range from mild to high, depending on the severity of the infection.

4. Swollen Lymph Nodes: Enlarged lymph nodes, particularly in the neck, underarms, and groin, are a common sign of EBV infection.

5. Headache: Many people with EBV infection report experiencing headaches.

6. Muscle and Joint Pain: Muscle and joint pain, similar to that seen in the flu, can occur during an EBV infection.

7. Loss of Appetite: A decreased appetite and weight loss are possible symptoms.

8. Rash: Some individuals may develop a rash, although this is less common.

9. Enlarged Spleen (Splenomegaly): An enlarged spleen can occur, and it's important to avoid physical activities that may cause trauma to the spleen during an EBV infection, as this can lead to complications.

10. Liver Involvement: In some cases, EBV can lead to mild liver inflammation (hepatitis), which can cause abdominal discomfort or jaundice (yellowing of the skin and eyes).

It's essential to note that symptoms of EBV infection can vary widely from person to person, and some individuals may have mild or no symptoms at all. In most cases, EBV infection is self-limiting, and symptoms resolve on their own without specific treatment. However, rest, hydration, and over-the-counter pain relievers can help manage symptoms.

In rare cases, EBV infection can lead to more severe complications, especially in individuals with weakened immune systems, such as those with HIV/AIDS or transplant recipients. These complications can include organ damage, central nervous system involvement, and certain types of cancer, such as Burkitt lymphoma and nasopharyngeal carcinoma. If you suspect you have an EBV infection or are experiencing severe symptoms, it's advisable to consult a healthcare professional for a proper diagnosis and guidance on managing your condition.