Webrespiratory syncytial virus (rsv) infection is a major cause of lower respiratory tract illness, particularly among infants, young children and older adults. Webimmunization is the best way to protect against respiratory syncytial virus (rsv) infections and their complications. It involves administering a preventive treatment. Webrespiratory syncytial virus (rsv) is a common respiratory virus that is a major cause of illness among ontarians. Rsv can cause infection in the upper (e. g. ,. Webhealth canada has approved the first vaccine for respiratory syncytial virus (rsv) for adults age 60 and over, but it may only be available in limited quantities for. Webif you want the vaccine and you are age 60 years or older, contact a private immunization clinic. You can also ask your doctor or pharmacist if they sell the vaccine.