BACTERIAL INOCULATION 



297 



opsonins are readily demonstrable (Fig. 58). The 

 time is ripe when it is imperative that physicians, 

 nurses, ward attendants and all those coming in con- 

 tact with typhoid patients should be immunized. This 



Fig. 58. — Antityphoid inoculation or immunization. Observe the rapid rise in antibody 

 formation as demonstrated by the opsonic index curve. 



rule should include all individuals travelling in and 

 residents of typhoidal districts as well as the members 

 of families and pupils of schools in which the disease 

 has made its appearance. 



