44 SEWAGE-POLLUTED OYSTEES AS CAUSE OE TYPHOID. 



(8) This investigation comprises a complete study of all the fac- 

 tors wliich would materially contribute to typhoid infection. Each 

 item of the menu served at the Minisink banquet was carefully con- 

 sideredj and the ^^Rockaway'' oysters served were the only articles of 

 food consumed by all of those who had typhoid or gastroenteritis 

 followmg this banquet. 



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