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To the Editor:—
In the abstract from the article in Medicine (23:359 [Dec.] 1944) by Davies in The Journal, February 24, page 489, on false positive serologic tests for syphilis, Davies mentions the possibility of positive tests of this kind for certain types of atypical pneumonia. Moreover McNeil in the American Journal of the Medical Sciences (209:48 [Jan.] 1945) mentions his observations of atypical cases of pneumonia with strongly positive Kahn tests. Will you allow me in this connection to refer to a paper published in the Helvetica medica acta (7:497 [March] 1941) which may have escaped the notice of the authors, probably because of difficulties of communication caused by the war. After the observation of some sporadic cases by Lindau and Fanconi, I was able at that date to report 9 endemic and 10 additional sporadic cases and to show that one can speak of a
Hegglin R. PNEUMONIA AND RESPIRATORY DISEASE WITH A POSITIVE WASSERMANN TEST. JAMA. 1945;129(2):150. doi:10.1001/jama.1945.02860360052025