326 



Microbes and You 



GLOBULIN. Since antibodies are normally found in the gamma 

 globulin fraction of the blood, passive immunization with this 

 globulin fraction is of value. 



In recent years it has been found that children who have been 

 exposed to measles can be protected from this disease by the in- 



Fig. 57. Human blood fractionating laboratory. Poliomyelitis- 

 Immune Globulin as well as Serum Albumin for the prevention of shock 

 are separated from the blood after centrifuging. (Courtesy of Armour 

 and Company, Chicago, Illinois.) 



jection of gamma globulin immediately after exposure. If several 

 days elapse before the injection of gamma globulin, there is a good 

 possibility that the child will contract measles but the disease will 

 be milder in character. Some physicians feel that a case of measles 

 modified by the use of gamma globulin is better than not contract- 

 ing the disease at all, since the patient will build up his own im- 

 munit)^ if he has the disease, and this will protect him from possible 



