WATER-BORNE TYPHOID FEVER 
a 
£ ba - 
es x 
2 Ar a = 
e | San | eae ~ 
: eis) HS See S 
= Gg Eo 7 
5 | Ss ee eee 
vl naa SN 
x = 
9 x 
2 ~ 
* Se 4 
. S 
ds 
x 
we t 
+8 
a 
a, Ww 
S 
a 
~ » 
w 
% 
i) 
S 
. WK 
> 
Q 
, 5 
~~ 
Q 
k 
0: 
O 
O 
Z 
uJ 
> 
< a 
FEBURARF 19 % APRIL 24 19t1. 
543 
(After Bartow ) 
Fie 85—Spot Map of Typhoid Fever Epidemic of Water-borne Origin. 
