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Fig. 2 | BMC Infectious Diseases

Fig. 2

From: Immunogenicity and safety of a tetanus-diphtheria vaccine and a 13-valent pneumococcal conjugate vaccine after concomitant vaccination in ≥ 50-year-old adults

Fig. 2

Comparison of geometric mean titers at one month post-vaccination. Enzyme-linked immunosorbent assay: tetanus-diphtheria (Td) vaccine + 13-valent pneumococcal conjugate vaccine (Group 1) versus Td vaccine alone (Group 3). Opsonophagocytic activity (OPA): Td vaccine + 13-valent pneumococcal conjugate vaccine (Group 1) versus 13-valent pneumococcal conjugate vaccine alone (Group 2)

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BMC Infectious Diseases

ISSN: 1471-2334

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