What age is the rabies vaccine given to children, in advance of a year-long trip to africa?

No specific age : The product available in the us for pre-exposure rabies prophylaxis is approved for all ages & dosed at the same for all. The vaccine requires 3 doses over a 21-28 day period. Protective titers will last at least 2yrs. The cdc recommends you only start the series if you can complete it .The cdc site for information on this & other travel needs. See: www.Cdc.Gov/travel/page/child-travel.Htm.