Presently, several pneumococcal surface proteins, possibly by itself or in combinations, have already been suggested simply because putative vaccine candidates (1, 13, 20) and may serve as far better vaccines than those available, providing broad coverage against most pneumococcal serotypes

Presently, several pneumococcal surface proteins, possibly by itself or in combinations, have already been suggested simply because putative vaccine candidates (1, 13, 20) and may […]

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