https://technofog.substack.com/p/covid-19-vaccine-mrna-now-found-inHere is the full study on the COVID-19 vaccine mRNA found in breastmilk.
The mRNA was present as soon as
one hour after vaccination.
Also - further details on whether this data was suppressed (as it is from 2021) and how Pfizer and Moderna refuse to test for mRNA in breastmilk.