LITMIR.BIZ

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1.2 1.0 2.0 1.9 1.9 1.4 0.8 1.0 0.5 Diphtheria 1.9 1.7 1.9 1.0 0.9 0.4 0.6 0.8 0.9 0.9 0.7 0.7 0.7 0.5 Pneumonia 1.5 0.8 0.8 0.6 1.1 0.2 1.0 1.1 1.1 0.9 1.1 1.1 0.7 0.5 Whooping Cough 1.7 — 1.6 1.2 1.1 1.0 0.8 0.6 0.9 0.9 0.5 0.5 0.5 0.2 Miscellaneous and Unknown 2.1 20.4 26.7 19.8 18.6 23.7 14.7 25.9 15.4 14.2 15.1 18.6 20.7 18.5

      II. CAUSES OF DEAFNESS IN MICHIGAN SCHOOL FROM 1883 TO 1912

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	1883 1884	1885 1886	1887 1888	1889 1890	1891 1892	1893 1894	1895 1896	1897 1898	1899 1900	1901 1902	1903 1904	1905 1906	1907 1908	1909 1910	1911 1912
Total Number	302	336	342	350	343	365	428	412	441	447	451	404	361	354	353
Congenital	7.0	18.8	23.1	26.3	24.2	26.3	25.2	30.3	28.8	31.5	32.8	36.6	35.7	35.0	31.2
Meningitis	28.8	28.1	23.1	23.1	21.3	15.8	15.6	14.5	10.2	9.2	4.6	8.6	9.5	8.8	8.2
Scarlet Fever	12.2	11.8	12.3	11.2	9.0	9.6	9.5	9.7	9.5	9.3	7.6	6.9	5.8	3.6	4.5
Brain Fever	6.2	6.5	4.8	3.7	5.2	6.9	6.6	6.3	5.4	3.8	3.8	2.7	2.5	2.3	1.0
Typhoid Fever	4.6	3.6	4.1	4.3	4.7	1.9	1.8	1.4	2.5	2.2	1.3	1.0	1.4	1.5	1.7
Measles	3.6	4.1	3.9	2.9	2.6	1.4	0.8	1.9	3.2	3.1	2.9	2.9	4.1	3.4	3.1