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To the Editor:—
This is to commend you on the excellent editorial on "Diphtheria Mortality in the United States."You call attention to the fact that Dr. J. C. Geiger of San Francisco has noticed a recent increase in deaths from diphtheria in older age groups. I though you would be interested to know that during this year, to date, out of seven deaths from diphtheria in Los Angeles five were of persons over 40 years of age. As there were 13 patients over 40 years of age this makes a specific mortality rate of 38 per cent. During 1942 there were 27 patients over 40 years of age with diphtheria and seven deaths, or a specific mortality rate of 26 per cent. It would seem that diphtheria is being overlooked in the older age groups.It may also interest you to know that 9 of the last 10 typhoid
Uhl GM. DIPHTHERIA MORTALITY—TYPHOID CARRIERS—POLIOMYELITIS IN PREGNANCY. JAMA. 1943;123(11):720. doi:10.1001/jama.1943.02840460054022