RT Journal
A1 Curtis G
T1 THe pneumococcus-carrier a possible danger
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1909
FD September 4
VO LIII
IS 10
SP 809
OP 809
DO 10.1001/jama.1909.02550100055010
UL http://dx.doi.org/10.1001/jama.1909.02550100055010
AB To the Editor: 
    —"An Epidemic of Empyema," reported in The Journal, Aug. 14, 1909, p. 529, leads me to ask if one case developed in advance of the others, and if the author, or some other person had, within a few hours following a visit to the home of the first pneumonia patient, come in contact with the persons who afterward developed pleuritis?It is interesting to know how extremely susceptible some persons are to pulmonary infection, especially the old and the young and those having a tendency to such troubles.I conducted a series of experiments on the possibility of the conveyance of infection in the laboratory of the late Professor Miller of Berlin in which the saliva of a visiting physician was found to contain the elements of the diseases of the various cases, seen by him, more than an hour after leaving them. Among these were pneumonia