• Should patients receive 23-valent pneumococcal vaccination more than once? 

    Whiteside, John; Grover, Michael; Hitchcock, Kristin (Family Physicians Inquiries Network, 2006)
    No patient-oriented evidence supports pneumococcal revaccination of any patient (high-risk or otherwise). Antibody levels may be augmented by revaccination; however, the clinical efficacy of revaccination, even among ...