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Table 1 Pneumococcal antibodies (μg IgG/ml) during pneumonia and after pneumococcal polysaccharide (conjugate) vaccination

From: Case report on a defective antibody response against pneumococcal serotype 9V in a patient with a single episode of pneumonia

  Community-acquired pneumonia 23 V Pneumococcal polysaccharide vaccination (+ 3 months) 13 V Pneumococcal conjugate vaccination (+10 years)
Timeline Jan–Feb 2005 May–June 2005 July–August 2014
Pneumococcal serotype Hospital admission (day 1) Recovery (day 42) Pre-vaccination Post-vaccination Pre-vaccination Post-vaccination
3 0.12 0.14 0.05 2.43 6.27 13.09
4 0.06 0.03 0.15 0.17 0.02 0.42
6B 0.34 0.33 0.05 0.28 2.63 42.76
9V 0.43 0.25 0.08 0.06 4.06 15.35
14 2.25 2.67 3.21 7.28 6.91 9.55
18C 3.41 4.23 3.76 49.84 39.80 37.41
19F 1.03 1.08 0.60 6.85 31.96 77.10
23F 0.47 0.55 0.47 2.13 1.55 17.29
  1. A sufficient serotype-specific response is defined as having titers higher than 1.3 μg/ml and at least a two-fold increase between pre- and post-vaccination titers [4]
  2. Antibody levels to the infecting pneumococcal serotype (9V) are indicated in bold
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