Elmhurst, Ill., Oct. 26, 1903.
To the Editor:
—I wish to suggest a plan that I believe, if carried out, would be of great value to the public and at the same time would relieve the physician of a great load of responsibility. It is difficult in the incipiency of many infectious diseases to establish a positive diagnosis. Measles, rötheln and scarlet fever are at times confused, as are tonsillitis and diphtheria, chicken-pox and smallpox. It is often difficult to establish a strict quarantine in these doubtful cases. The public, in general, has a wholesome dread of placarded houses, and the strict isolation of the patient would be fostered if in every infectious disease the house be placarded with a sign like the following: "Contagious disease here," or "Infectious disease here." This sign could be put up in the beginning of every infectious disease, and in this manner we could