Webthe cdc recommends that the following adults get one dose of the respiratory syncytial virus (rsv) vaccine to provide protection against serious rsv. Webthe rsv vaccine helps prevent infection from the respiratory syncytial virus. Learn more about rsv and how to get an rsv vaccination from minuteclinic. Webthe cdc recommends that the following adults should get one dose of the respiratory syncytial virus (rsv) vaccine to provide protection against serious rsv illness. This is for adults who have not already received an rsv vaccine.