228 MODERN BIOLOGIC THERAPEUSIS 



United States Army (Military Surgeon, August, 

 1913) successfully protected 600 people with 

 Meningococcus Vaccine during an epidemic of 

 meningitis at Deckerville, Arkansas, following 

 the floods in the Ohio and Mississippi Valleys. 

 While observations must be made in many thou- 

 sands of cases before any positive deductions 

 are warranted, the clinical data so far, however, 

 are encouraging. 



