Table 2 Summary of virologic data from breast milk samples with detectable SARS-CoV-2 RNA.

From: No infectious SARS-CoV-2 in breast milk from a cohort of 110 lactating women

Participant

Number of symptomsa

Number of days symptomatic

Symptomatic at time of sample collection

SARS-CoV-2 RNA in milk samples (copies/mL)

sgRNA

Viral culture

8b

9

18

Yes

25,100

Negative

Negative

22

10

17

Yes

2400

Negative

Negative

24

16

65

Yes

3230

Negative

Negative

27c

9

13

Yes

10,000

Negative

Negative

42

8

17

Yes

12,000

Negative

Negative

47

5

4

Yes

11,200

Negative

Negative

49

7

7

Yes

150

Negative

Negative

  1. aSee Supplemental information (Table S1) for a list of COVID-19-related symptoms.
  2. bPreviously reported.
  3. cWoman was symptomatic but not tested.