hello the Blue Cross and Blue Shield service benefit plan is calling with an important message hello the Blue Cross and Blue Shield service benefit plan is calling with an important message about the flu vaccine according to the Centers for Disease Control and prevention or the CDC the flu shot is the best way to protect you and your loved ones against the flu virus everyone 6 months and older should get vaccinated every year for children people 65 and older and those with a chronic condition or who are pregnant it's even more important to get a flu shot service Benefit Plan members can get a flu shot at no additional cost