The importance of case finding in syphilis has a parallel in tuberculosis, since these diseases have many things in common from a social and an economic point of view. They have their greatest incidence in the low income groups and among the uneducated, and for these two reasons the problem of control and eradication is all the more difficult. The steady decline of the death rate from tuberculosis marks the success of control measures of that disease; the number of deaths has decreased in direct proportion to the intensity of the antituberculosis work. It is known that syphilis can also be controlled, as the Scandinavian countries have given the world an excellent example of the effects of concerted effort to eradicate the menace of venereal diseases. It is fortunate that we have the example of the result of their experience in our present campaign.
The social and economic aspects of