Does Covid-19 and its vaccines adversely affect breast milk?

A health worker inoculates a mother, with her newborn baby beside her, with a dose of Covid-19 vaccine at a hospital in Chennai, India. Recent data indicates that antibodies from Covid-19 mRNA vaccines could pass through breastmilk, thus protecting babies as well. — AFP

The Covid-19 pandemic has affected all aspects of human life.

With babies still arriving in the world, a pertinent question posed by mothers or mothers-to-be revolve around the issue of breastfeeding with regards to Covid-19 vaccination and infection.