{HEAD ~ The 251P5G2 gene} or fragment thereof, or its encoded protein, or variants thereof, or {TAIL ~ a fragment} thereof, can be used to elicit a humoral or cellular immune response; antibodies or T cells reactive with 251P5G2 can be used in active or passive immunization 
{ HEAD ~ The 251P5G2 gene } or fragment thereof , or its encoded protein , or variants thereof , or { TAIL ~ a fragment } thereof , can be used to elicit a humoral or cellular immune response ; antibodies or T cells reactive with 251P5G2 can be used in active or passive immunization
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