Which virus is known for causing mononucleosis?

Epstein-Barr Virus (EBV) is known for causing mononucleosis, often referred to as "mono." This viral infection is primarily transmitted through saliva, which is why it is sometimes referred to as the "kissing disease." Symptoms typically include extreme fatigue, sore throat, fever, and swollen lymph nodes. EBV is a member of the herpesvirus family and is very common, with many individuals being exposed to it during childhood or adolescence.

Although other viruses listed can cause various diseases, they do not specifically lead to mononucleosis. For example, HIV is associated with immunodeficiency and AIDS, while Varicella-Zoster Virus leads to chickenpox and shingles. Human Papillomavirus is primarily known for its association with various cancers and genital warts. Understanding the specific roles of these viruses helps in differentiating between their effects on health.