RT Journal A1 KAHN MH T1 SErum treatment of postinfluenzal bronchopneumonia JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1919 FD January 11 VO 72 IS 2 SP 102 OP 103 DO 10.1001/jama.1919.02610020020007 UL http://dx.doi.org/10.1001/jama.1919.02610020020007 AB The use of serum from patients convalescing from postinfluenzal bronchopneumonia in the treatment of this disease was suggested by the author early during the appearance of the epidemic at Camp Taylor. As there was a great demand on our energies at the time, it did not seem advisable to treat with serum a series of consecutive cases entering the hospital, because many of these patients gave promise of recovering without it, and the treatment would have been superfluous.We therefore selected only such cases for serum treatment as gave a very poor prognosis clinically. Some of these patients appeared moribund. All presented a severe toxemia with extreme dyspnea, marked cyanosis, fever, and a variable but marked degree of lung involvement. Patients that showed signs of improvement in the day or two preceding our visit were not treated, as they promised to progress favorably without treatment. Usually these were selected as