reet
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The initial vaccines against Haemophilus influenzae type B prepared with capsular polysaccharides were not very effective in children less than 2 years old. Subsequent vaccines have been greatly improved by the conjugation of the capsular polysaccharides to one of several proteins. Why does this conjugation improve immunogenicity?
A) CD4+ T lymphocytes are activated
B) Cytotoxic T lymphocyte responses are increased
C) Direct activation of B lymphocytes by the vaccine is increased
D) Nonimmune clearance of the vaccine is decreased
E) Phagocytosis of the vaccine is increased
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| Cedrick
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A.-CD 4 + T Lymphocytes are activated
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| study_ing
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A. agreed.
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| pallav
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thank god for a change me and study_ing agree
the answer is A
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| Geroo
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A) CD4+ T lymphocytes are activated
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