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Table 2 Anti-Measles- Mumps- Rubella seroprevalence profiles among studied mother-infant pairs just before MMR immunization, seroconversion rates and mean concentration of antibody levels following first and second dose of MMR vaccine given at the ages 12 and 18 months, Sari-Iran 2018

From: Seroconversion rates following 2 doses of measles- mumps- rubella vaccination given at the ages 12 and 18 months: data for possible additional dose at older age

MMR vaccination status

Measles: n (%)

MCA ± SD

Mumps: n (%)

MCA ± SD

Rubella: n (%)

MCA ± SD

Pre-MMR1 vaccination

      

 Mothers n = 92

79 (85.8%)

22.40 ± 7.25

78 (84.7%)

21.30 ± 5.76

80 (86.9%)

19.18 ± 4.32

 Infants n = 92

3 (3.2%)

2 (2.1%)

1 (1.0%)

Post MMR1 n = 52

44 (84.6%)

22.20 ± 6.35

43 (82.7%)

18.40 ± 5.15

41 (78.8%)

21.30 ± 5.76

Post MMR2 n = 39

37 (94.8%)

28.44 ± 6.17

35 (89.7%)

26.67 ± 5.80

37 (94.8%)

27.08 ± 7.68

No of responders /no of susceptible (%)

4/6 (66.6%)

 

3/7 (42.8%)

 

8/10 (80%)

 

Comparison between post MMR1 and MMR2 MCA levels; P value

P = 0.003

 

P < 0.001

 

P < 0.001