There is no question that the most popular time of year to visit the Valley is in winter. This is partly because the rest of the country is experiencing it's worst weather of the year and in contrast, Phoenix seems like summer. So accept that any time after September and before May is probably best.
RSV: RSV in clinical medicine is the abbreviation for respiratory syncytial virus. See: Respiratory syncytial virus.
What CAV is. CAV is the name of a combination of chemotherapy drugs used to treat small cell lung cancer and small cell cancers in other parts of the body. It is made up of the drugs. 1  C = Cyclophosphamide. 2  A = Doxorubicin (also called Adriamycin).3  V = Vincristine.ow you have CAV treatment. You have these drugs into your bloodstream (intravenously). Doxorubicin is a red fluid. Vincristine and cyclophosphamide are clear fluids. You can have them through a thin, short tube (a cannula) put into a vein in your arm each time you have treatment.