82 



MICHIGAN ACADEMY OF SCIENCE. 



ISOLATION AND DISINFECTION RESTRICTED 

 SCARLET FEVER AND DIPHTHERIA IN MICHI- 

 GAN DURING THE 5 YEARS 1886-90. 



SCARLET FEVER. 



SOLATION AND DISINFECTION 



NEGLECTED . 



U 



366 OUTBREAKS, 

 AVERAGE 



ENFORCED. IN 



361 OUTBREAKS, 

 AVERAGE 



CASES.DEATHS. 



T0TAL8i0UTBII£AK8,l f IS'7*;CASES,JI.3l2:DEATHS.S3l 

 HOICATED SAVIIC OF CASES 13.23 X i.857 • ITJI2 : 13,366 

 INDICATED SAVIRC OF LIVES .S3 X 1.857 - 531 a S30 



mrta** vtt* 



tiamitm Vlyiumf * *r ~£n/»r*if 



DIPHTHERIA. 



ISOLATION AND DISINFECTION 



NEGLECTED, 



UN 



317 OUTBREAKS, 

 AVERACE 



ENFORCED, IN 



252 OUTBREAKS, 

 AVERAGE 



TOTALS, OUTB REAKS. 1.9 85. CASES. 11,63 «|UEATHS, IS 73 



INDICATED SAVING OF CASES 13.57 X 1.385 • II, t J 4:15.302 



INDICATED SAVING OF LIVES 267 X 1,38$ -2,3 73:2.722 



Plate No. 51t*. 



