Table 2.

Demographic description (self-reported) of mothers with previous viral symptoms during the COVID-19 pandemic (viral symptoms) and unexposed mothers (Ctl2-2018 pre-pandemic).

Demographics	Viral Symptoms (n = 20) b	Ctl2-2018 (n = 16)
Postpartum time, months a	5 ± 2 (2–11)	5 ± 3 (5–8)
Infant gender, n	8 males: 12 females	8 males: 8 females
Maternal age, years a	32 ± 4 (27–41)	32 ± 4 (25–37)
Influenza vaccine during pregnancy, n (%)	7 (35)	6 (37.6)

^a Data are means ± SD, min, and max. ^b Women had symptoms of viral respiratory infection (cold, fever, respiratory infection, sinus infection, nasal congestion, headaches, sore throat and/or flu-like symptoms) between April 2020 to September 2020, but no infection during the milk collection. The time between the infection and collection is unknown.