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.
As with most drugs, chemotherapy drugs do have side effects. Side effects of chemotherapy are unwanted things that happen as a direct result of taking a drug. It is easy to confuse drug side effects with symptoms of cancer.Symptoms are the things that happen as a direct result of the cancer and have nothing to do with the drug.he side effects of chemotherapy can be unpleasant. But it can help to try to see the problems in relation to the benefits of the treatment. Chemotherapy does not cause side effects in everyone. It causes different reactions in different people. Remember-almost all side effects are temporary.