Hundred Million Plaque Forming Units

**Semantic type:** Quantitative Concept

**Definition:** A measure of viable infectious entities expressed in hundreds of millions in the specimen or product defined as the smallest quantity that can produce a cytopathic effect in the host cell culture challenged with the defined inoculum, visible under the microscope or/and to the naked eye as a plaque.

**Synonyms:** - 10*8{PFU} - 10*8{PFU} - 10E8 PFU - 10^8 PFU - 10^8 PFU - 10^8 pfu - 10^8{PFU} - 10^8{PFU} - 10^8{pfu} - Hundred Million PFU