1. 
   Post-exposure prophylaxis
   Post-exposure prophylaxis (PEP) is any prophylactic treatment started immediately after exposure to a pathogen (such as a disease-causing virus), in order to prevent infection by the pathogen and the development of disease. ==Rabies== PEP is commonly and very effectively used to prevent the outbrea...
   Found op http://en.wikipedia.org/wiki/Post-exposure_prophylaxis
   
   
2. 
   Post-exposure prophylaxis
   Post-exposure prophylaxis: A treatment administered following exposure to a harmful agent which attempts to block or reduce injury or infection. Prophylaxis means a defense or protection. Post-exposure prophylaxis (PEP), for example, might concern the treatment of a health care worker exposed by a n...
   Found op http://www.medterms.com/script/main/art.html?articlekey=11208
   
   

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