TREATMENT OF PULMONARY TUBERCULOSIS WITH ANTITUBERCULOUS SERUM.

There is good reason to believe that the last two decades have witnessed a distinct, if slight, reduction in both the prevalence and the fatality of tuberculosis, and the hope seems not unreasonable that this reduction will go on. This favorable result is directly attributable to a better knowledge of the nature of the disease, of its etiology, its mode of dissemination, its prophylaxis and its treatment. Experience has taught that the desired result may be attained in various ways, of success in any of which the best index is the state of nutrition. Though our efforts be directed unflinchingly and unceasingly against the tubercle bacillus, we know that we have been most victorious when we have rendered the patient resistant to its invasion. This is a natural condition with some animals, and in some degree with some human beings, and to its establishment or fortification therapeutic effort may be