66 



On September 15 at 4 p. m. he was given an injection of 3.5 cc. of 

 diluted blood serum from Marcos Cruz, filtered through a Pasteur- 

 Chamberland B filter. As this serum had been diluted with an, equal 

 quantity of physiological salt solution, he actually receved 1.75 cc. 

 of Cruz's serum. The injection was given into one of the superficial 

 veins of the arm. 



September 16, no symptoms. 



Temperature chart of Guadalupe Gomez. 



September 17, 7 a. m., had a temperature of 38.1° C, frontal head- 

 ache and pains in the back and in the calves of the legs. Says he 

 first felt- chilly at 10 o'clock of the previous night Vomited yellow- 

 ish fluid. No malaria, no albumin. 



September 18, no albumin, no malaria, gums swollen. Bleeding 

 from right nostril. 



September 19 and 20, urine shows albumin, but none subsequently. 

 Patient made a rapid and uneventful recovery. 



