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

Table 3 The patterns of infants’ immune response to MMR₁ immunization in relation to their mother specific antibody status

	Infant mother antibodies status prior to MMR₁ injection
	Antibody positive	Antibody negative	P value
Measles; N = 52	43	9
Response rate (%)	83.72%	88.88%	0.6
MCA level	21.08 ± 5.75	23.25 ± 5.03	0.34
Mumps; n = 52	43	9
Response rate (%)	81.81%	87.50%	0.8
MCA level	17.78 ± 4.31	18.66 ± 5.21	0.58
Rubella; n = 52	45	7
Response rate (%)	77.77%	85.7%	0.63
MCA level	20.23 ± 6.37	22.33 ± 4.72	0.44

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