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JAMA. 1919;72(20):1466-1467. doi:10.1001/jama.1919.02610200038019.
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A recent issue of the Medical Supplement1 published monthly by the British War Office since January, 1918, covers the more recent articles on influenza which have appeared in Germany. It may be of interest to give a brief digest of these articles even at second hand. The influenza bacillus has not been found any more frequently than in this country, which confirms the general impression that it is not the primary cause of the disease. Thus Leichentritt2 found it in the sputum in from 51 to 60 per cent. of influenza cases and in sputum examined for tubercle bacilli primarily, in 24 per cent. Pfeiffer,3 the original discoverer of this bacillus, found it in the sputum in 51 per cent, of influenza cases examined. Fränkel,4 Löwenfeld5 and others appear to have found it in influenza sputum in a considerably larger percentage. After death the bacillus


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