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Table 1 Clinical laboratory results of the mother

From: Breastfed 13 month-old infant of a mother with COVID-19 pneumonia: a case report

Measure d2 d9 d10 d16 d19 d20 d23 d25 d26
White blood cell count
(3.5–9.5 × 109/L)
2.7 NT 4.0 2.9 NT 3.9 NT NT 5.3
Lymphocyte count
(1.1–3.2 × 109/L)
0.9 NT 1.2 0.8 NT 1.1 NT NT 1.0
C-reactive protein concentration
(0-6 mg/L)
0.1 NT NT 1.0 NT 1.9 NT NT NT
SARS-CoV-2 test by PCR
 Nasopharyngeal swab + NT + NT +
 Feces NT NT NT NT NT NT NT NT
 Serum NT NT NT NT NT
 Breast milk NT NT NT NT NT
SARS-CoV-2 antibody
 Serum IgG NT NT NT + NT + NT NT NT
 Serum IgM NT NT NT NT NT NT NT
 Breast milk IgG NT + NT NT NT NT NT + NT
 Breast milk IgM NT NT NT NT NT NT NT
  1. d2 hospital day 2, NT not tested
  2. “+”, Positive
  3. “-”, Negative