. The American journal of tropical medicine. ASES 0-10 11-20 21-30 31-40 41-50 61-60 61-70 71-80 81-90 Diagram B. Showing age-incidence of dysentery from records of the Massa-chusetts State Department of Health between the years 1918 and 1921 on 145 cases. September and October was of a pecuUarly mahgnant character,there being 31 deaths in a total of 60 cases, a fatality rate ofmore than 50 per cent. Of the cases hsted for Boston after1917 one was reported from the Childrens Hospital and theremainder from dweUing houses. 506 GI]ORGE CHEEVER SHATTUCK Numberof Caaes Z6 25 20 16 1
. The American journal of tropical medicine. ASES 0-10 11-20 21-30 31-40 41-50 61-60 61-70 71-80 81-90 Diagram B. Showing age-incidence of dysentery from records of the Massa-chusetts State Department of Health between the years 1918 and 1921 on 145 cases. September and October was of a pecuUarly mahgnant character,there being 31 deaths in a total of 60 cases, a fatality rate ofmore than 50 per cent. Of the cases hsted for Boston after1917 one was reported from the Childrens Hospital and theremainder from dweUing houses. 506 GI]ORGE CHEEVER SHATTUCK Numberof Caaes Z6 25 20 16 10 AGES. U-20 21-30 31-40 41-50 61-60 61-70 71-80 Diagram C. Showing age-incidence of dysentery from records of seven hos-pitals in or near Boston between the years 1917 and 1921 inclusive. Based on68 cases. Cases of dysentery reported to Massachusetts State Department of Health by years TEAK STATE CITY OP BOSTON STATE HOSPITALAT MEDFIELD 1917 160 56 60 1918 77 10 7 1919 23 6 0 1920 37 3 13 1921 25 5 0 TROPICAL DISEASES IN MASSACHUSETTS 507 SMALL-POX Small-pox is third in order of frequency showing a total of 137cases for the period. The largest number of cases for a singlecounty developed in Essex where there were several smalloutbreaks of the disease with a total of 45 cases. Suffolk Coimtycomes next with 38 sporadic cases. The other counties, exceptMiddlesex, had very few cases or none at all, as a glance at mapIII will show.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttropica, bookyear1921
