What term is used to describe an infection caused by the streptococcus bacteria?

The term that describes an infection caused by streptococcus bacteria is indeed streptococcemia. This term specifically denotes the presence of streptococcus bacteria in the bloodstream, which can result from various infections initiated by these bacteria. Streptococcus is a genus that includes many different species, some of which are responsible for common infections such as strep throat, pneumonia, and skin infections.

In contrast, septicemia is a more general term that refers to a severe and systemic infection that can be caused by various pathogens, including bacteria other than streptococcus. Staphylococcemia describes a similar condition but specifically involves staphylococcus bacteria, not streptococcus. Mononucleosis is typically caused by the Epstein-Barr virus and is characterized by symptoms such as fatigue, sore throat, and swollen lymph nodes; it is not associated with streptococcus bacteria. Thus, streptococcemia is the precise term reflecting the infection caused by the streptococcus genus.