As measles is the most prevalent of the diseases of infancy and early childhood, and also predisposes to a complicating bronchial pneumonia, it is one of the two most fatal of the communicable diseases of early childhood, and its prevention has been eagerly sought by clinical and laboratory investigators. The ideal in their mind is to discover the germ and prepare a vaccine such
as we have against diphtheria, tetanus and scarlet fever. Tunnicliff in the United States and Caronia in Italy have reported such discoveries. Their work is now being subjected to crucial tests. Herrmann has proposed a very interesting method of inoculating infants
intranasally with the secretion obtained from the nose of an infant during the early stage of the disease. He proposes to do this inoculation during the sixth or seventh months of life before the infants have entirely lost their inherited immunity. This method, in our