A prebiotic for enhancement of an immune response, a nutritional
composition for enhancement of an immune response; use of a prebiotic in
the manufacture of a medicament or nutritional composition for
enhancement of an immune response; use of a prebiotic in the manufacture
of a medicament or nutritional composition for the prevention or
treatment of measles; a method of enhancing an immune response which
comprises administering an effective amount of a prebiotic; and a method
of prevention or treatment of measles which comprises administering an
effective amount of a prebiotic. In preferred embodiments the prebiotic
comprises a fructo-oligosaccharide.