Viremia is a medical condition where a virus enters and proliferates in the bloodstream. There are various synonyms for viremia, including viral septicemia, viral infection of blood, systemic viral infection, and blood-borne viral infection. A viral septicemia occurs when a virus enters the bloodstream and causes infection in different parts of the body resulting in many complications. Systemic viral infection is a process where the virus spreads through the body and causes damage to different organs. Blood-borne viral infection is a highly infectious disease that spreads through the blood and body fluids. Overall, these synonyms are used interchangeably to describe the same medical condition, i.e., the presence of a virus in the bloodstream.