immunoprophylaxis
noun
                                                                                                                            
                                                            im·mu·no·pro·phy·lax·is
                    
                                                                                                              
                                                                                                                              
            -ˌprō-fə-ˈlak-səs also -ˌpräf-ə-
                                                      
                                                          
            
               plural immunoprophylaxes
                                        -ˌsēz  
    
            
        
    
                                
              
          
                                                      : the prevention of disease by the production of active or passive immunity                                      
                
                    
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  Merriam-Webster unabridged




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