W r* I V C. K a i | T 



V s 



^^iJFORNli^/ 



SOURCES OF THK CONTAMINATION OF MILK. 



47 



Place of work, business, or school ........................ 



Physician while ill .................................... 



Health before attack ...................................... 



Out of town (date).... 



Patient discharged by physician (date) ...................... 



f Chills Pain in Bowels Tongue 



] Vomiting Nosebleed Delirium 



1 Headache Diarrhoea or Eruption 



( Fever Constipation Spleen 







Constipation 



[REVERSE.] 

 TYPHOID FEVER. 



Examination No .......... . ......... 



Widal reaction : 



Made? ........ Date when \ Date when 



{Yes or No) Positive) ............ Suggestive 



Complications .............. 



Drinking Water - Milkman 



Date when 

 Negative 



Previous cases in the house 

 Has patient visited other cases? 

 Privy or water closets..... 

 What probable sources of infection 

 What possible sources of infection 

 Remarks ... 



Plumbing 



A more elaborate blank for data is employed by the Hygienic 

 Laboratory, U. S. Public Health and Marine Hospital Service, 

 in the study of typhoid fever in the District of Columbia (29): 



PUBLIC HEALTH AND MARINE HOSPITAL SERVICE HYGIENIC 



LABORATORY. 



TYPHOID FEVER CASE CARD. 



Date of investigation Case No. 



Name 



Age....: Color Sex Nationality 



Probable date of onset Date of definite symptoms 



Name and address of physician : 



Residence 



Residence in D. C 



Residence when taken sick.... ....from ....to 



