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r. H. 
Port 
Md. S 
port. 
r. L. 
Membe: 
pro vine 
of heal 
bee. 
Q 
Q 
cases with com- 
mon milk sup- 
ply. Finding ty- 
phoid at dairy. 
Subsidence of 
outbreak after 
instigation of 
proper meas- 
ures. Elimina- 
tion of water as 
cause. Explo- 
siveness of out- 
break. 
Unusual explo- 
sive outbreak 
occurring 
among users of 
a common milk 
supply. 
The epidemic 
ceased upon 
changing milk 
supply. 
Previous t® out- 
break there 
had been a 
case on the 
farm d i a g - 
nosed grippe. 
On farm pro- 
ducing milk — 
three farm 
hands had ty- 
phoid. 
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45276°— Bull. 56-12- 
