Neonates are born with an immature immune system and rely on the transfer of immunity
from their mothers. Maternal antibodies are transferred via the placenta and breast milk …

SARS-CoV-2 is primarily an airborne infection of the upper respiratory tract, which on
reaching the lungs causes the severe acute respiratory disease, COVID-19. Its first contact …

Whether mother-to-infant SARS-CoV-2 transmission can occur during breastfeeding and, if
so, whether the benefits of breastfeeding outweigh this risk during maternal COVID-19 …

Sterilizing immunity after vaccination is desirable to prevent the spread of infection from
vaccinees, which can be especially dangerous in hospital settings while managing frail …

Breastfeeding is associated with long-term wellbeing including low risks of infectious
diseases and non-communicable diseases such as asthma, cancer, autoimmune diseases …

Importance Long-term effect of parental COVID-19 infection vs vaccination on human milk
antibody composition and functional activity remains unclear. Objective To compare …

Infectious virus shedding from individuals infected with severe acute respiratory syndrome-
coronavirus 2 (SARS-CoV-2) is used to estimate human-to-human transmission risk. Control …

METHODS We conducted a prospective cohort single-institution study from February 2 to
April 4, 2021. Women who reported to be breastfeeding at the time of their coronavirus …

A large repertoire of IgA is produced by B lymphocytes with T-independent and T-dependent
mechanisms useful in defense against pathogenic microorganisms and to reduce immune …

Specific memory B cells and antibodies are a reliable read-out of vaccine efficacy. We
analysed these biomarkers after one and two doses of BNT162b2 vaccine. The second dose …