i88 INFECTIOUS AND PARASITIC DISEASES. 



raw, such as milk, butter, cheese, etc. ; serve everything 

 hot. Eschew all fresh fruits and vegetables. Neither 

 wash in, nor drink of, unboiled water. The bodies of 

 those succumbing to the disease should be cremated. 

 Clothing, sheets, etc., may be disinfected with solu- 

 tions above given for sputum. Mop all surfaces in 

 the sick-room frequently with a solution of bichloride 

 of mercury (i-iooo). Rigid isolation and quarantine 

 should be instituted. 



Epidemic Cerebro-spinal Meningitis. 



(a) Cause: Diplococcus intracellularis meningitidis; 



non-sporulating. 



(b) Localization: Membranes of brain and spinal 



cord. 



(c) Entry: Probably nose by inhalation. 



(d) Exit: Probably nasal secretions. 



(e) Contracted: Does not seem directly contagious 



from sick to well, nor by fomites. 



(f) Disinfection and Prophylaxis: Disinfect all secre- 



tions and discharges, and all objects that 

 have been in contact with patient. Pro- 

 tect patient, and all articles that have been 

 in contact with patient, from insects ; there- 

 fore screen against flies, mosquitoes, etc. 



Chicken-pox (varicella). 



(a) Cause: Not known. 



(b) Localization: Same as small-pox. 



