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Table 3 Antibody titers among lactating and non-lactating women

From: COVID-19 mRNA vaccine and antibody response in lactating women: a prospective cohort study

Antibodies titers

Lactating women (n=14)

Non-lactating women (n=10)

Blood (Mean)

1st dose (UI/mL)

2nd dose (UI/mL)

1st dose (UI/mL)

2nd dose (UI/mL)

IgG

24250

79264

2700

121500

IgA

880 (4 ND)

600 (2 ND)

260

690

IgM

366

621

530

930

Milk (titer range 150-1350)

IgG

1 (7.1% )

6 (42.9 %)

NA

NA

IgA

5 (35.7% )

3 (21.4%)

NA

NA

IgM

ND

ND

NA

NA

  1. ND not detected, NA not applicable