flumist quadrivalent is a live vaccine usedfor the prevention of influenza. flumist quadrivalent is approved for use in persons 2 through 49years of age. flu vaccines cause antibodies to develop inthe body about two weeks after vaccination. these antibodies provide protection againstinfection with the viruses that are in the vaccine. the seasonal flu vaccine protects againstthe influenza viruses that research indicates will be most common during the upcoming season. it is a liquid that is sprayed into the nose,and should be administered each year. it is
best to get vaccinated soon after vaccinebecomes available in your community, if possible by october. for children 2 through 8 yearsof age, depending on vaccination history may require an additional dose at least 1 monthapart. not everyone can receive the nasal spray vaccine,ask your doctor if this is an option for you. common side effects include runny or stuffynose, sore throat, or fever over 100 degrees fahrenheit.