Bacteremia involving **pyogens** (pus-forming bacteria) is called **pyemia**.

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Once invasion is successful and pathogens gain access to the blood stream, they can cause various illnesses ending in **–emia**, including:
- Bacteremia
- Pyemia
- Viremia
- Toxemia
- Septicemia

Illnesses Caused by Pathogens in The Blood

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

**Bacteremia** is an illness marked by the presence of bacteria in the blood

Bacteremia

When viruses are found in the blood, it is called **viremia**

Viremia

**Toxemia** is an illness that occurs when toxins are found in the blood.

Toxemia

**Septicemia** occurs when bacteria are **both** present **and** multiplying in the blood.

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