From Wikipedia, the free encyclopedia. Papaya ringspot virus (PRSV) is a pathogenic plant virus in the genus Potyvirus and the virus family Potyviridae. The virus is a non-enveloped, flexous rod-shaped particle that is between 760â800 nm long and 12 nm in diameter.he other type, Type W isolates (PRSV-W), does not infect papaya. Isolates of PRSV-W do infect cucurbits such as watermelon, cucumber, and squash and were originally known as Watermelon mosaic virus 1'.'.
Coding for Chemotherapy Treatment For The Record Vol. 22 No. 13 P. 28. Chemotherapy uses powerful drugs in an attempt to eliminate cancer cells in the body. However, it also kills other fast-growing cells such as hair and blood cells, causing side effects such as hair loss and anemia.
Nausea and vomiting are common side effects of chemotherapy treatment for cancer. But in most cases, these side effects can be controlled with preventive medications and other measures.hether you'll experience nausea and vomiting as a result of chemotherapy depends on: 1  What chemotherapy drugs you receive. 2  Whether you receive other cancer treatments â such as radiation â during your chemotherapy treatment.