To me, the concerns this raises have less to do with breastfeeding infants and more to do with biodistribution of the mRNA after vaccination -- in theory it's not "supposed" to be found anywhere other than the muscle tissue around the injection site.
To me, the concerns this raises have less to do with breastfeeding infants and more to do with biodistribution of the mRNA after vaccination -- in theory it's not "supposed" to be found anywhere other than the muscle tissue around the injection site.