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. 2022 Jan 19;92(4):1140–1145. doi: 10.1038/s41390-021-01902-y

Table 2.

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

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

aSee Supplemental information (Table S1) for a list of COVID-19-related symptoms.

bPreviously reported.

cWoman was symptomatic but not tested.