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Table 3 Vaccination status and serotypes detected in three consecutive nasopharyngeal samples from 25 healthy children

From: Dynamics of pneumococcal nasopharyngeal carriage in healthy children attending a day care center in northern Spain. influence of detection techniques on the results

Children age (months)a PCV7b doses Winter 2004 Spring 2005 Winter 2005
5 0 19A 19A negative
6 0 23B negative 23B
6 0 NTc 21 NT
7 0 negative negative negative
7 0 6B + 21 NT negative
10 0 19F + 21 10A 19A
11 0 16F 19A negative
15 0 23B 15B 19A
16 0 6B + 11A + 20 6B + 16F 14
17 0 negative 23B 14
4 1 19A 35 14 + 19A + 35
5 1 11A + 15B 16F + 19A 35
6 1 negative 21 19A
7 1 21 16F + 19F 19A
10 1 NT NT 35
10 1 19A negative 19A
9 2 6B + 19F + 21 10A + 19F 19A
16 2 16F negative negative
7 3 21 16F + 19A 14
9 3 6B + 21 19F 19A
10 3 6B + 21 14 negative
12 3 negative 16F + 20 19A
12 3 16F + 35F 15B NT
15 3 NT 11A + 19A negative
17 3 16F + 20 + 23B 19A 10A
  1. a Children age (months): when enrolling the study
  2. b PCV7: 7-valent pneumococcal conjugate vaccine
  3. c NT, non typeable but optochin, bile esculin and autolysin lytA gene positive