{HEAD ~ The genetically engineered recombinant proteins} prepared by {TAIL ~ the method} of the present invention are cell permeable proteins and can be used as protein based vaccines, particularly where killed or attenuated whole organism vaccines are impractical 
{ HEAD ~ The genetically engineered recombinant proteins } prepared by { TAIL ~ the method } of the present invention are cell permeable proteins and can be used as protein based vaccines , particularly where killed or attenuated whole organism vaccines are impractical
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