55 



Table -[.—Period of incubation in yellow fever, etc. — Continued. 



Bed, Carroll, and Agramonte: " The etiology of yellow fever; an additional note," Journ. Am. 

 Med. Assoc, Feb. 16, 1901.] 



eed and Carroll: "Etiology of yellow fever; a supplemental note," Am. Med., Feb. 22, 1902.] 



arker, Beyer, and Pothier: 



"A study of the etiology of yellow fever,' 

 Bull. No. 13, March, 1903.] 



Yellow Fever Institute. 



Case No.- 



Bitten. 



Attack. 



Incubation. 



Sept. 4, 9.30 a. m . 



Sept. 7, (?) a. m 3 days 2 hours (about). 



[archoux, Salimbeni, and Simond: " La flevre jaune," Eapport dela Mission Francaise, Institut 

 Pasteur, Annales, November, 1903.] 



3ase No. 



(2).- 

 (17)". 

 (20).. 

 (22)6. 



Bitten. 



Attack. 



Incubation. 



3 days 18 hours. 

 3 days 22 hours. 

 5 days 22 hours. 

 7 days 5 hours. 



Before being bitten by infected mosquitoes patient had received injections of blood from 

 How fever cases to induce immunity: 5 cc. blood twelve days old ; followed fifteen days later 

 same quantity eight days old. . 



This man previously had been given 20cc. serum taken on the eighth day and passed through a 

 rkef eld filter ; six days later 20 cc. of same serum not filtered ; subsequently bitten by infected 

 isquitoes. The serum injections may have Induced a partial immunity, which delayed the 

 set and modified the disease, for he had a mild attack. 



