MICRO-ORGANISMS IN VARIOUS DISEASES. 197 



poker. Previously, oral suction may be 

 practised. Keep wound open for from five 

 to six weeks. 



Influenza (La Grippe, Russian fever). 



(a) Cause: Bacterium in fluenziB; is non-sporogenous. 



(b) Localized: Throat; nose; lungs; blood. 



(c) Entry: By air through mouth and nose. 



(d) Exit: Discharges from nose, throat, and lungs. 



(e) Contracted : Probably entirely by contact with the 



sick. 



(f) Disinfection: Bacilli are quickly destroyed by 



even weak solutions of the ordinary disin- 

 fectants; at once by boiling; fumigate with 

 formaldehyde or sulphur. 



(g) Prophylaxis : Since influenza is a serious disease 



in the case of the very young and the aged, 

 and furnishes a large proportion of the 

 mortality at these periods of life, the nasal 

 and bronchial secretions should be care- 

 fully disinfected in every case. 



Leprosy. 



(a) Cause: Bacillus leprce; non-sporogenous. 



(b) Localized: Mucous membranes and skin gener- 



ally; nervous system. 



(d) Exit : In suppurations from broken-down nodules 



of nose, mouth and skin. 



(e) Contracted: Contracted with difficulty. Long, 



